texonom/texonom-md · Datasets at Hugging Face

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Mathematical Logic	Formal Logics	Apr 5, 2022	Alan Jo	Alan Jo	Jun 19, 2022	[Mathematics](https://texonom.com/mathematics-2731da9546944e7bb9455cedddd0f87f)	### 논리학에서 사용하는 명제들을 수학적인 기호로 표시하는 학문 ### Mathematical Logic Notion \|Title\| \|:-:\| \|[Consistent Theory](https://texonom.com/consistent-theory-723eabed6024481c88326735c92bf831)\| \|[Axiom](https://texonom.com/axiom-01147181157e4e68a84a5af85ffdd035)\| \|[Proof](https://texonom.com/proof-063df012aa0b494d8db9c5edb8ef100d)\| \|[Statement](https://texonom.com/statement-77fe55f90fce4e7b8b41e75036f2b774)\| \|[Theorem](https://texonom.com/theorem-2dfea8ae9115493ba6c6a31251c53b66)\| \|[Assumption](https://texonom.com/assumption-3ade69ed840b4a22be30b34af277e548)\| \|[Conclusion](https://texonom.com/conclusion-3ad47bf08d274bfc86e4173cc367fc84)\| ### Mathematical Logic Usages \|Title\| \|:-:\| > [Untitled](https://en.wikipedia.org/wiki/Mathematical_logic)	dc5a5765623c4cef9f76a78cca288960
Assumption	Mathematical Logic Notion	Sep 7, 2022	Alan Jo	Alan Jo	Sep 7, 2022	[Conclusion](https://texonom.com/conclusion-3ad47bf08d274bfc86e4173cc367fc84)	가정 자체가 과학적이지 않다면 결론도 무의미	3ade69ed840b4a22be30b34af277e548
Axiom	Mathematical Logic Notion	Jun 19, 2022	Alan Jo	Alan Jo	Jul 29, 2023		### 공리 모든 증명은 참이라 여겨지는 공리로부터 시작 (증명할 수 없음) 형식주의자들은 공리를 기호로 표현 가능한 형식 체계를 원했다 이 말은 모든 수학적 표현이 기호로 표현 가능해진다는 의미 이 형식체계를 다룰 수 있는 규칙을 만들어나가는 ### Axioms \|Title\| \|:-:\| \|[Equational Axiom](https://texonom.com/equational-axiom-727ca00a3a5e402ab6a4bd0e9a1f5602)\| \|[Existential axioms](https://texonom.com/existential-axioms-506b0ab44f7d4523bda3a1335ff63bc1)\| \|[Non-equational axioms](https://texonom.com/non-equational-axioms-68657b6ade9248f3bf309dd87c26bd59)\| 책이 나옴 ‘수학 원리’라는 책 형식 체계 자체를 증명해나가는데 - complete - 수학은 완전한가 (참인 모든 문장을 증명할 수 있는다) (false by [Gödel’s incompleteness theorem](https://texonom.com/gdels-incompleteness-theorem-820d082fd9bf424f8125dda3bf9e859b) ) - consistent - 일관적이고 모순이 없는가 - 참인 동시에 거짓인 statement가 없는가 (false by [2nd Gödel’s incompleteness theorem](https://texonom.com/2nd-gdels-incompleteness-theorem-173d1bd5bdac42448e637253f602a763) ) - decidable - 어떤 명제가 공리를 따르는 지 결정할 수 있는 알고리즘이 존재하는가 (false by [Halting Problem](https://texonom.com/halting-problem-ef95f2638ef64fbba522eeb23a2e9002) [Alan Turing](https://texonom.com/alan-turing-df61b5084e544ac58577d289983e0d28) ) 힐베르트는 모두 true라 생각했지만, 사실 전부 false로 증명되었다 ### Axiom Notion \|Title\| \|:-:\| \|[Principia Mathmatica](https://texonom.com/principia-mathmatica-554f34533a3e4c0fbeecc997f412cb8c)\| > In opposition to the foolish ignorabimus our slogan shall be ‘ we must know - we will know’ - David Hilbert > [당신이 수학을 모르는 이유. (feat. 불완전성의 정리)](https://www.youtube.com/watch?v=oippSXvxUlw)	01147181157e4e68a84a5af85ffdd035
Conclusion	Mathematical Logic Notion	Sep 7, 2022	Alan Jo	Alan Jo	Sep 7, 2022	[Assumption](https://texonom.com/assumption-3ade69ed840b4a22be30b34af277e548)	결과가 된다는 걸 확인하면 일단 의미가 생긴다	3ad47bf08d274bfc86e4173cc367fc84
Consistent Theory	Mathematical Logic Notion	Apr 5, 2022	Alan Jo	Alan Jo	Apr 5, 2022		거짓을 추론할 수 없는 이론 무모순적 이론에서는 스스로와 그 부정을 모두 증명할 수 있는 문장이 존재하지 않는다 반대로 모순적인 이론은 모든 문장이 증명 가능하므로 무의미한 이론이 된다	723eabed6024481c88326735c92bf831
Proof	Mathematical Logic Notion	Jun 19, 2022	Alan Jo	Alan Jo	Apr 18, 2023	[Inference](https://texonom.com/inference-74db3fc61037415ea1f3ec39b1eeeb0f)	모든 증명은 참이라 여겨지는 공리로부터 시작 [Proof by Contradiction](https://texonom.com/proof-by-contradiction-3a1db55de5aa4e009771be33955582d7) > [당신이 수학을 모르는 이유. (feat. 불완전성의 정리)](https://www.youtube.com/watch?v=oippSXvxUlw)	063df012aa0b494d8db9c5edb8ef100d
Statement	Mathematical Logic Notion	Jun 19, 2022	Alan Jo	Alan Jo	Apr 25, 2023		### 명제 ### Statements \|Title\| \|:-:\| \|[Assignment Statement](https://texonom.com/assignment-statement-0f3e26f56f4a43c09d09e11fbb793ec8)\|	77fe55f90fce4e7b8b41e75036f2b774
Theorem	Mathematical Logic Notion	Jun 19, 2022	Alan Jo	Alan Jo	Sep 14, 2023		### proof된 statement	2dfea8ae9115493ba6c6a31251c53b66
Principia Mathmatica	Axiom Notion	Jun 19, 2022	Alan Jo	Alan Jo	May 13, 2023			554f34533a3e4c0fbeecc997f412cb8c
Equational Axiom	Axioms	May 13, 2023	Alan Jo	Alan Jo	May 13, 2023			727ca00a3a5e402ab6a4bd0e9a1f5602
**Existential axioms**	Axioms	May 13, 2023	Alan Jo	Alan Jo	May 13, 2023			506b0ab44f7d4523bda3a1335ff63bc1
**Non-equational axioms**	Axioms	May 13, 2023	Alan Jo	Alan Jo	May 13, 2023			68657b6ade9248f3bf309dd87c26bd59
Proof by Contradiction	Proof	null	null	null	null	null	> [가장 작은 반례에서 모순을 찾는 "기가 막힌" 논리](https://youtube.com/watch?v=_KGmth-Ja6c&feature=shares)	3a1db55de5aa4e009771be33955582d7
Assignment Statement	Statements	Apr 25, 2023	Alan Jo	Alan Jo	Apr 25, 2023		### Data Assignment	0f3e26f56f4a43c09d09e11fbb793ec8
domain of discourse	Predicate logic Notion	May 30, 2021	Alan Jo	Alan Jo	Jun 6, 2023		### 어떠한 양화사가 다룰 수 있는 개체들의 집합 universe of discourse 또는 담화 영역또는 논의 영역 또는 의논 영역	6936a8c1ec694b0e8b8504b76bed2d8f
First-order logic	Predicate logic Notion	May 30, 2021	Alan Jo	Alan Jo	Jun 6, 2023		### predicate Logic	290522e2846643ba934eac6c7b769f3f
first-order logic	Predicate logic Notion	May 30, 2021	Alan Jo	Alan Jo	Jun 6, 2023		술어 논리(predicate logic)라 하면 1차 논리를 가리키는 경우가 많다	8803c1084a5948d481dbf5254ed9ce41
higher-order logic	Predicate logic Notion	May 30, 2021	Alan Jo	Alan Jo	Jun 6, 2023		관계 또는 관계의 관계 등을 지칭하는 변수에 전칭·존재 기호를 가할 수 있는 일련의 논리 체계들 모든 고차 논리는 ω차 논리의 부분 논리 체계로 생각할 수 있다 > [고차 논리 - 위키백과, 우리 모두의 백과사전](https://ko.wikipedia.org/wiki/%EA%B3%A0%EC%B0%A8_%EB%85%BC%EB%A6%AC)	f6c0128eb1de4a5c81eff7e8ebd8a161
Inference	Predicate logic Notion	Mar 2, 2023	Alan Jo	Alan Jo	Jun 25, 2023	[Reasoning](https://texonom.com/reasoning-71cebd7628e94727b88bf6bf42a624df) [Error](https://texonom.com/error-1e2cd2dbfc48461e93e89fa0f4ed891d)	추론의 사슬이 단계를 거듭할수로 확률은 지수적으로 낮아지니 그 데이터로 판단할 수 있는 최소한만큼의 추론을 최대한의 확신으로 판단해야 한다 기준을 높임으로써 일반화의 오류와 편견을 방지할 수 있다 ### Inferences \|Title\| \|:-:\| \|[Deductive Inference](https://texonom.com/deductive-inference-2ba90c30a128447eb83380c70e15db0f)\| \|[Inductive Inference](https://texonom.com/inductive-inference-5b1e3298a9e0410d9d0a6de3da798a69)\| \|[Reductio ab absurdum](https://texonom.com/reductio-ab-absurdum-e24d8a75dd974b588aa0be66a2197f75)\| \|[Abductive Inference](https://texonom.com/abductive-inference-fd5b9d3ea0924a9598fbe4286920cd9e)\| \|[Analogy](https://texonom.com/analogy-2b72830c72c84dbb9c857ec5c4efc086)\|	74db3fc61037415ea1f3ec39b1eeeb0f
Quantifier	Predicate logic Notion	May 30, 2021	Alan Jo	Alan Jo	Jun 6, 2023		논리학이나 언어학 에서 자유변항을 가진 논리식이 적용되는 의논영역에 있는 개체의 양을 지정하는 것 [Universal Quantifier](https://texonom.com/universal-quantifier-b1d0078c148d497abaeccebff9455022) [Existential Quantification](https://texonom.com/existential-quantification-cf7408a0f6f649e2a931e60bd04d1e99)	9c8ecf60134f40f58d1af5a382c27f28
second-order logic	Predicate logic Notion	May 30, 2021	Alan Jo	Alan Jo	Jun 6, 2023		임의의의 다항 관계 및 다항 연산에 대한 변수 및 이에 대한 전칭·존재 기호를 사용할 수 있는 논리 1차 논리에서 변수는 사용하는 모형의 원소만을 지칭하지만, 2차 논리에서는 모형 속의 임의의 부분 집합에 대하여 언급할 수 있다 1차 논리와 달리 완전한 증명 체계를 갖지 못하며, 콤팩트성 정리나 뢰벤하임-스콜렘 정리와 같은 중요한 성질들이 성립하지 않는다	7369c9dec58f479fb61b1010cea4b4f4
Abductive Inference	Inferences	Mar 2, 2023	Alan Jo	Alan Jo	Mar 2, 2023		### 귀추법	fd5b9d3ea0924a9598fbe4286920cd9e
Analogy	Inferences	Apr 3, 2022	Alan Jo	Alan Jo	Apr 15, 2023		유추 두 개의 특수한 대상에서 어떤 징표가 일치하고 있기 때문에 다른 징표도 일치하고 있음을 추정	2b72830c72c84dbb9c857ec5c4efc086
Deductive Inference	Inferences	Mar 2, 2023	Alan Jo	Alan Jo	Sep 7, 2023		### 연역법 top-down logic ### Deductive Reasonings \|Title\| \|:-:\| \|[Syllogism](https://texonom.com/syllogism-50255bb0c54b4e9c995ff1ddc57171ab)\|	2ba90c30a128447eb83380c70e15db0f
Inductive Inference	Inferences	Mar 2, 2023	Alan Jo	Alan Jo	Sep 7, 2023		reasoning from observed training cases to general rules bottom-up logic ### Inductive Inferences \|Title\| \|:-:\| \|[Mathematical induction](https://texonom.com/mathematical-induction-428dbeddb59940dca2267474cb23631c)\|	5b1e3298a9e0410d9d0a6de3da798a69
Reductio ab absurdum	Inferences	Mar 2, 2023	Alan Jo	Alan Jo	Mar 2, 2023		### 귀류법 - 배리법 - 반증법	e24d8a75dd974b588aa0be66a2197f75
Syllogism	Deductive Reasonings	Sep 7, 2023	Alan Jo	Alan Jo	Sep 7, 2023		### 삼단논법	50255bb0c54b4e9c995ff1ddc57171ab
Mathematical induction	Inductive Inferences	Sep 1, 2023	Alan Jo	Alan Jo	Sep 7, 2023	[Syllogism](https://texonom.com/syllogism-50255bb0c54b4e9c995ff1ddc57171ab) [Recurrence relation](https://texonom.com/recurrence-relation-1c0b90005c30437fa61c5e049782e4be)	귀납은 늘이기보다 줄이기의 과정이다 증명의 과정은 줄이는 과정이고 보여주는 과정에서는 늘어나는 방법은 답을 알고 하는 보여주기에 가깝 1. Basic Step 2. Inductive Step ### Mathematical induction Notion \|Title\| \|:-:\| \|[Inductive hypothesis](https://texonom.com/inductive-hypothesis-b8850c425fc44b1d9a174debdc98ecd5)\| > [수학적 귀납법 99.99% "엉터리"로 배웠습니다.](https://youtube.com/watch?v=NLcv5VGGQXU&feature=shares) > [어디서도 보기 힘든 절묘한 수학적 귀납법의 활용 (귀납가설을 다섯번 활용?)](https://youtube.com/watch?v=sIMbG0yAdx0&feature=shares)	428dbeddb59940dca2267474cb23631c
Inductive hypothesis	Mathematical induction Notion	Mar 2, 2023	Alan Jo	Alan Jo	Sep 14, 2023	[Hypothesis](https://texonom.com/hypothesis-5b91c25cdd0b49969463e53d38754025)	### Target to prove in Inductive Step 명제가 어떤 n에 대해 유지된다는, 귀납적 단계에서 가설 ### Strategy - Strengthen the inductive hypothesis	b8850c425fc44b1d9a174debdc98ecd5
Existential Quantification	Quantifier	null	null	null	null	null	존재양화사 ~가 존재한다	cf7408a0f6f649e2a931e60bd04d1e99
Universal Quantifier	Quantifier	null	null	null	null	null	보편양화사 모든 ~에 대하여	b1d0078c148d497abaeccebff9455022
콤팩트성 정리	Predicate Logic Theorem	May 30, 2021	null	null	null	null		1a5e6f00837e43938a7a39b9d57167ff
체르멜로-프렝켈 집합론	Predicate Logic Theorem	May 30, 2021	null	null	null	null		2f60df151b2447029d0b2fba15edd5e0
뢰벤하임-스콜렘 정리	Predicate Logic Theorem	May 30, 2021	null	null	null	null		3c9c34bc160443c2ad1df2449ed984d1
Lindström’s theorem	Predicate Logic Theorem	May 30, 2021	null	null	null	null	린드스트룀 정리 1차 술어 논리는 (가산) 콤팩트성 정리와 하향 뢰벤하임-스콜렘 정리를 만족시키는 가장 강력한 논리 체계	d9ab0e72c0d24a41b8691397e84e5b87
Material Conditional	Propositional Logic Notion	Apr 17, 2023	Alan Jo	Alan Jo	Apr 17, 2023	[Mathematical Logic](https://texonom.com/mathematical-logic-dc5a5765623c4cef9f76a78cca288960)	## Material implication Logical conditional ### Logical conditionals \|Title\| \|:-:\| \|[Conditional sentence](https://texonom.com/conditional-sentence-03ebc06508d640e6ba6ade0a75da5c56)\| \|[Necessary Condition](https://texonom.com/necessary-condition-b1f022e558bc41fc9136493dd6aff1a1)\| \|[Sufficient Condition](https://texonom.com/sufficient-condition-18fef888b5a844898bf7f0cb3eaf98c2)\| \|[Necessity and sufficiency](https://texonom.com/necessity-and-sufficiency-2977b0433d074b27bed77cb7659d1b5c)\|	ce41b66706654b54a7dbda3fe1ed5f3a
Conditional sentence	Logical conditionals	Apr 17, 2023	Alan Jo	Alan Jo	Apr 17, 2023			03ebc06508d640e6ba6ade0a75da5c56
Necessary Condition	Logical conditionals	Apr 17, 2023	Alan Jo	Alan Jo	Apr 17, 2023		## Necessity	b1f022e558bc41fc9136493dd6aff1a1
Necessity and sufficiency	Logical conditionals	Apr 17, 2023	Alan Jo	Alan Jo	Apr 17, 2023			2977b0433d074b27bed77cb7659d1b5c
Sufficient Condition	Logical conditionals	Apr 17, 2023	Alan Jo	Alan Jo	Apr 17, 2023		### Sufficiency	18fef888b5a844898bf7f0cb3eaf98c2
Experiment	Science Meta	Dec 14, 2021	Alan Jo	Alan Jo	Jul 4, 2023		실험적 결과를 믿지 못하겠다는 말은 과학 전체를 부정하는 것 ### Experiment Tools \|Title\| \|:-:\| \|[Microscopy](https://texonom.com/microscopy-8755fba6f4934f9889e2cf4bae44b937)\| \|[Telescope](https://texonom.com/telescope-f2244b56e8174dc4805e5fd024f825eb)\|	f68054945b2f40e88dc6c0975d512687
Hypothesis	Science Meta	Mar 2, 2023	Alan Jo	Alan Jo	Jun 6, 2023		### Theory should have - self-consistency - 이론 내에서 모순이 없어야함 - generality - 더 넓은 영역의 관측 결과를 설명해야 - predictability - 현상을 예측할 수 있어야함 - falsifiability - 부정당할 가능성이 있어야함 ([Religion](https://texonom.com/religion-695970ea258a4892b2e958d2b306940a)) and select theory based on [Occam's Razor](https://texonom.com/occams-razor-0452b9a462e547b1b31b6ed11b0898f2) ### Hypothesis Notion \|Title\| \|:-:\| \|[Null Hypothesis](https://texonom.com/null-hypothesis-ce9a2477f77f48b09553e7a0c47da050)\| \|[Alternative Hypothesis](https://texonom.com/alternative-hypothesis-791aa85cf2cb4653b38a85f14deeec15)\| > No amount of experimentation can prove me right; a single experiment can prove me wrong - [Albert Einstein](https://texonom.com/alberteinstein-4c62fc9f0a614306acd8170cc89d773e) > [실패를 기도하는 이론 - 귀무가설과 대립가설 - 공돌이의 수학정리노트 (Angelo's Math Notes)](https://angeloyeo.github.io/2020/03/25/hypothesis.html)	5b91c25cdd0b49969463e53d38754025
Instrumentalism	Science Meta	Jul 6, 2022	Alan Jo	Alan Jo	Jul 6, 2022		과학이론을 관측가능한 현상을 조직화·예측화하도록 하는 형식적인 도구·장치라고 여기는 입장 도구주의에서는 관측불가능한 대상에 대해서 이야기하는 것은 [Metaphysics](https://texonom.com/metaphysics-c8269ee422494d6c9abf91897a0f0724) 의 역할이라고 생각하여, 과학의 역할은 아니라고 여긴다 > [도구주의 - 위키백과, 우리 모두의 백과사전](https://ko.wikipedia.org/wiki/%EB%8F%84%EA%B5%AC%EC%A3%BC%EC%9D%98)	9cf462d79610431db5448dbee2940d10
Laboratory	Science Meta	Jun 21, 2022	Alan Jo	Alan Jo	Jun 25, 2023	[Company](https://texonom.com/company-bd6a77f8baa34b0aa7c028e457dbe1ed) [Graduate school](https://texonom.com/graduate-school-9a38329c40cd42d68144267a6eb022af)	회사와 달리 제품에 대한 경향이 없어서 최대한 다양한 [POC](https://texonom.com/poc-218ef3772c944075ad7cd6ea5278570c)와 새로운 [Concept](https://texonom.com/concept-1a4eaf967a454a609b5e7dda97aa89eb) 과 [Terminology](https://texonom.com/terminology-81ec3f408d6a4ed4971a3601f89568d5) 생산에 집중 ### Lab Usages \|Title\| \|:-:\| \|[LabDAO](https://texonom.com/labdao-59160b4246ec4c7e93422afe2fead2c3)\|	69f8891dca2248bb9b2dfd849fe96366
Physical Unit	Science Meta	Mar 18, 2020	Alan Jo	Alan Jo	Aug 17, 2021		### Physical Units \|Title\| \|:-:\| \|[psiper square inch](https://texonom.com/psiper-square-inch-a8cc6215a4e443d49752dfd037b69a71)\| \|[ksi](https://texonom.com/ksi-104ceecd1ae548e884bb6e5cec189a25)\| \|[lbin](https://texonom.com/lbin-3f295041ad2844699aed0fd6e0138923)\| \|[bar](https://texonom.com/bar-feaf9567b1cc4874ac0736ebc9d22d1c)\| \|[Decibel](https://texonom.com/decibel-0ad74ac8453745c881fe72c42293d48e)\|	a135a8ea26974368b6ab22153ca33d34
Pseudo Science	Science Meta	Sep 7, 2022	Alan Jo	Alan Jo	Sep 7, 2022		유사과학 ### Pseudo Science Topics \|Title\| \|:-:\| \|[Ghost](https://texonom.com/ghost-635ab5ade5f14e6387eb11d2aedb1ad2)\|	1abc838e1dbc4a44b9c6cd82468aefbc
Pseudoscience	Science Meta	Jun 26, 2022	Alan Jo	Alan Jo	Mar 2, 2023		사람들은 두 사건이 연달아 일어나면 진화학적으로 그것에서 인과관계를 찾게 된다 우연성을 필연성으로 착각하게 된다	c1e77df2efb4465e8f47006b20e7d1a0
Reproducibility	Science Meta	Mar 2, 2023	Alan Jo	Alan Jo	Mar 2, 2023		재현성이 없는 관측자료는 자연과학적 지식의 근거가 될 수 없다 예를들어 ufo, 초능력 [Pseudo Science](https://texonom.com/pseudo-science-1abc838e1dbc4a44b9c6cd82468aefbc)	6b61b5ca572548b4bb4cef0611d74686
Science Book	Science Meta	May 23, 2021	Alan Jo	Alan Jo	Aug 17, 2021		### Science Books \|Title\| \|:-:\| \|[과학은 반역이다](https://texonom.com/e304c67e81ae4ff79aacd873ac93bf70)\| \|[앨러건트 유니버스](https://texonom.com/3b3a2efc635d4d66be4e0bf64764d748)\| \|[나우 시간의 물리학](https://texonom.com/d571d6ac336e4c26934eb2bf21170d03)\| \|[시간의 역사](https://texonom.com/fe60e50f84a541609ba0d4c48cbe59ac)\|	be12e7ff44414a55a1ba44ffb2b7b249
Scientific Method	Science Meta	Feb 16, 2020	Alan Jo	Alan Jo	Aug 17, 2021		> - Contion management is important >> - find un-used condition >> - combine two condition to one condition > ![](https://www.notion.so/image/https%3A%2F%2Fs3-us-west-2.amazonaws.com%2Fsecure.notion-static.com%2F823a18a2-4826-45e1-9c38-f8bde17b26db%2F2013-updated_scientific-method-steps_v6_noheader.png?table=block&id=26d93048-66e5-4045-aa0c-4d3d5ed0191f&cache=v2)	7004ef5da64142cfb5df46d7f9f64df5
Scientific realism	Science Meta	Jul 6, 2022	Alan Jo	Alan Jo	Jul 6, 2022			afd1be31f8f74f4aa62c94b3faddcb13
Theory	Science Meta	Sep 14, 2023	Alan Jo	Alan Jo	Sep 14, 2023	[Axiom](https://texonom.com/axiom-01147181157e4e68a84a5af85ffdd035)	something always true through the universe from big bang to the end of the universe	abcf7f85aad247329a403ea233fbbcae
Microscopy	Experiment Tools	Dec 14, 2021	Alan Jo	Alan Jo	Dec 14, 2021		[Confocal Microscopy](https://texonom.com/confocal-microscopy-ee61359a1f6b4d889762026d68826239)	8755fba6f4934f9889e2cf4bae44b937
Telescope	Experiment Tools	Dec 23, 2021	Alan Jo	Alan Jo	Apr 21, 2023	[Satellite](https://texonom.com/satellite-3464395d523344d492d27a7c8cb769a9)	### Telescopes \|Title\| \|:-:\| \|[James Webb telescope](https://texonom.com/james-webb-telescope-4f9d23d1feda4412b18cbe1736dcb8a9)\| \|[Hubble Telescope](https://texonom.com/hubble-telescope-a247b6843c564f58a55bcea1e233ce7a)\| [Masking Interferometry](https://texonom.com/masking-interferometry-7961ada69ac94cb69ce6e86f86d8caf3) for [Planet](https://texonom.com/planet-4ccee7e565194ec5a3cbe71c41bfdead) > [NASA 공식 발표! 인류가 발견한 외계행성 5천 개 돌파! 🎉 \| 30년 외계행성 발견의 모든 역사 깔끔 총정리 \| 2027년 실현될 엄청난 프로젝트까지!](https://youtu.be/_v1YMaZKvC0) > [Building telescopes on the Moon is becoming an achievable goal](https://arstechnica.com/science/2023/04/building-telescopes-on-the-moon-is-becoming-an-achievable-goal)	f2244b56e8174dc4805e5fd024f825eb
Confocal Microscopy	Microscopy	null	null	null	null	null	### Self-Driving Microscopes > [Self-Driving Microscopes to Navigate the Nanoscale](https://spectrum.ieee.org/confocal-microscopy)	ee61359a1f6b4d889762026d68826239
Masking Interferometry	Telescope	null	null	null	null	null	구멍이 뚤린 가림막으로 분해능을 높이는 기술 [Resolution](https://texonom.com/resolution-b3d8b58f30ce4f1ab32ed13b11c08866)	7961ada69ac94cb69ce6e86f86d8caf3
Hubble Telescope	Telescopes	Jan 4, 2022	Alan Jo	Alan Jo	Jan 4, 2022		[허블 딥 필드](https://texonom.com/aacc0e2a08fd4471bb7cfc9faeee7758)	a247b6843c564f58a55bcea1e233ce7a
James Webb telescope	Telescopes	Dec 23, 2021	Alan Jo	Alan Jo	Jul 27, 2022	[Lagrangian point](https://texonom.com/lagrangian-point-5ed520b531f5458ca3f76809f3f4240f)	## JWST 허블의 후계자 L2 Point ### Real Time > [Where Is Webb? NASA/Webb](https://www.jwst.nasa.gov/content/webbLaunch/whereIsWebb.html) > [Webb's Launch GSFC/NASA](https://www.jwst.nasa.gov/) > [James Webb telescope: how it could uncover some of the universe's best-kept secrets](https://theconversation.com/james-webb-telescope-how-it-could-uncover-some-of-the-universes-best-kept-secrets-173717) ### Korean > [https://www.youtube.com/watch?v=Kbn-dNTpSM4](https://www.youtube.com/watch?v=Kbn-dNTpSM4) > [제임스 웹 우주 망원경의 셀카가 공개되었다! 그런데 저게 뭐지? \| 제임스 웹은 어떻게 초점을 조절할까? \| 내부 설계도 공개!](https://youtu.be/vuLtdECuPlo) ### English > [Marvel at the first batch of full-color images from NASA's James Webb Space Telescope](https://www.theverge.com/2022/7/12/23203307/jwst-first-full-color-images-nasa-reveal) > [Two Weeks In, the Webb Space Telescope Is Reshaping Astronomy \| Quanta Magazine](https://www.quantamagazine.org/two-weeks-in-the-webb-space-telescope-is-reshaping-astronomy-20220725/)	4f9d23d1feda4412b18cbe1736dcb8a9
허블 딥 필드	Hubble Telescope	null	null	null	null	null	화로자리 부분에 있는 조그만 영역을 찍은 사진 허블 우주 망원경이 2003년 9월 3일부터 2004년 1월 16일까지 찍은 사진들을 조합한 것	aacc0e2a08fd4471bb7cfc9faeee7758
Alternative Hypothesis	Hypothesis Notion	Jun 1, 2023	Alan Jo	Alan Jo	Jun 6, 2023	[Null Hypothesis](https://texonom.com/null-hypothesis-ce9a2477f77f48b09553e7a0c47da050)	대립가설 새로운 것이 있다	791aa85cf2cb4653b38a85f14deeec15
Null Hypothesis	Hypothesis Notion	Jun 1, 2023	Alan Jo	Alan Jo	Jun 6, 2023	[Proof by Contradiction](https://texonom.com/proof-by-contradiction-3a1db55de5aa4e009771be33955582d7) [Alternative Hypothesis](https://texonom.com/alternative-hypothesis-791aa85cf2cb4653b38a85f14deeec15)	### 귀무가설 새로울 게 없다 즉 패더다임에 영향을 미치지 않지만 참이 아님을 증명하는 것이 참임을 증명하는 것보다 훨씬 쉽워서 주관성이 개입시키지 않기 위해서 두 표본 평균의 차이를 검증한다고 할 때, 두 표본 집단의 모집단은 같다는 가정을 전제 ![](https://www.notion.so/image/https%3A%2F%2Fs3-us-west-2.amazonaws.com%2Fsecure.notion-static.com%2Ff0034556-597c-4cb6-9b4d-4917a9fc2e76%2FUntitled.png?table=block&id=ef254087-9df4-4250-82ea-860b9ce12618&cache=v2) [Null Hypothesis](https://texonom.com/null-hypothesis-ce9a2477f77f48b09553e7a0c47da050) 과 유사 귀무가설을 기각할 수 있게 되었다고 해서 대립가설을 증명한 것이 아니라는 점 즉 무죄가 아니라고 해당 범죄에 대한 유죄가 아니다 > [실패를 기도하는 이론 - 귀무가설과 대립가설 - 공돌이의 수학정리노트 (Angelo's Math Notes)](https://angeloyeo.github.io/2020/03/25/hypothesis.html)	ce9a2477f77f48b09553e7a0c47da050
LabDAO	Lab Usages	Jun 21, 2022	Alan Jo	Alan Jo	Jun 21, 2022		> [LabDAO](https://www.labdao.xyz/)	59160b4246ec4c7e93422afe2fead2c3
bar	Physical Units	Mar 18, 2020	Alan Jo	Alan Jo	Aug 17, 2021			feaf9567b1cc4874ac0736ebc9d22d1c
Decibel	Physical Units	Jun 10, 2020	Alan Jo	Alan Jo	Aug 17, 2021		증폭도(gain)을 사용할 때 dB을 많이 사용한다. 게인을 log로 표시한 비 이다. dBm과는 다르다 dB가 비 라면 dBm은 1mW에 대한 비이다. 따라서 이것은 power을 나타내는 절대값 > ![](https://www.notion.so/image/https%3A%2F%2Fs3-us-west-2.amazonaws.com%2Fsecure.notion-static.com%2F1e6c8cce-f3a5-4354-be61-30532c8af8c2%2FUntitled.png?table=block&id=f44c6b21-7150-4832-b5d4-0e6c7aa61eed&cache=v2) > ### dBm = dBmW 파워에서 dB라고 표시하면 입력된 전력과 출력된 전력간의 비를 말한다 dB 자체가 비 이기 때문에 어떤 것이든 단위는 P의 W 단위는 사라진다 그래서 - power gain - voltage gain - current gain > [Decibel](https://en.wikipedia.org/wiki/Decibel) > [신호의 개념 - 주파수 frequency, dB, dBm, wavelength, Impedance matching, skin effect](https://m.blog.naver.com/dolicom/10082982545)	0ad74ac8453745c881fe72c42293d48e
ksi	Physical Units	Mar 18, 2020	Alan Jo	Alan Jo	Aug 17, 2021		10^3 psi 쿠사이	104ceecd1ae548e884bb6e5cec189a25
lbin	Physical Units	Mar 18, 2020	Alan Jo	Alan Jo	Aug 17, 2021			3f295041ad2844699aed0fd6e0138923
psiper square inch	Physical Units	Mar 18, 2020	Alan Jo	Alan Jo	Aug 17, 2021		lb/in^2 푸사이	a8cc6215a4e443d49752dfd037b69a71
Ghost	Pseudo Science Topics	Sep 7, 2022	Alan Jo	Alan Jo	Sep 7, 2022		처녀귀신 보는건 너무 문화적 영향 한국인이 브라질 가서 브라질 전통의상 입은거 보면 귀신의 증거가 될수도 > [https://youtu.be/qFrfD_Bws7g](https://youtu.be/qFrfD_Bws7g)	635ab5ade5f14e6387eb11d2aedb1ad2
앨러건트 유니버스	Science Books	Mar 2, 2020	Alan Jo	Alan Jo	Aug 17, 2021			3b3a2efc635d4d66be4e0bf64764d748
나우 시간의 물리학	Science Books	Mar 2, 2020	Alan Jo	Alan Jo	Aug 17, 2021			d571d6ac336e4c26934eb2bf21170d03
과학은 반역이다	Science Books	Mar 2, 2020	Alan Jo	Alan Jo	Aug 17, 2021		프리먼 다이슨 ### 언제나 열려 있을 완료되지 못할 3가지 방향성 [meta-mathematics](https://texonom.com/meta-mathematics-42cf5edc7438462e8531bd212168dd87) [complexity science](https://texonom.com/complexity-science-7d2f3c3d0a484d6e9c31af9449fb6cb7) [expanding cosmose](https://texonom.com/expanding-cosmose-3813837320c943f79c1e7f03db78002a)	e304c67e81ae4ff79aacd873ac93bf70
시간의 역사	Science Books	Mar 2, 2020	Alan Jo	Alan Jo	Aug 17, 2021			fe60e50f84a541609ba0d4c48cbe59ac
complexity science	과학은 반역이다	null	null	null	null	null		7d2f3c3d0a484d6e9c31af9449fb6cb7
expanding cosmose	과학은 반역이다	null	null	null	null	null		3813837320c943f79c1e7f03db78002a
meta-mathematics	과학은 반역이다	null	null	null	null	null		42cf5edc7438462e8531bd212168dd87
Chemistry	Science Subjects	Nov 5, 2019	Alan Jo	Seong-lae Cho	Mar 17, 2022	[Matter](https://texonom.com/matter-a705a30995b84df9b2b302e4e0b6cec2)	### Chemistry Fields \|Title\| \|:-:\| \|[Crypstallography](https://texonom.com/crypstallography-c865a02a2918434699b1bf659cb40780)\| \|[AI Chemistry](https://texonom.com/ai-chemistry-42786ae5188c442b87ebec588ca59ffd)\| ### Chemistry Topics \|Title\| \|:-:\| \|[Distillation](https://texonom.com/distillation-9639497c9a1346ff8d356ec29f5b6813)\| \|[Acid Base](https://texonom.com/acid-base-da86a681608f4ed2aa397408c6ec4f7b)\| \|[Ligand](https://texonom.com/ligand-f4d5d25e208449ddbebb4eeff3d8d070)\| \|[Compound](https://texonom.com/compound-cb7ce9afef3e4fb59037bf4e74cdc54d)\| \|[Chemical Equation](https://texonom.com/chemical-equation-9e2b57038a5d4612ad8e8f0b0e004fec)\|	e72947c24ab8405999f8a4c8581adfd4
Math Science	Science Subjects	Nov 5, 2019	Alan Jo	Seong-lae Cho	Mar 28, 2023	[Mathematics](https://texonom.com/mathematics-2731da9546944e7bb9455cedddd0f87f)	[ComplexScience](https://texonom.com/complexscience-09f49f2748fb4527ac9cfcda9441d7c4) [Math System](https://texonom.com/math-system-571bcd0b40a94aadaf2b359aeedf967f)	6819673826a542d5a720146c6a4b469e
Mathematics	Science Subjects	Nov 5, 2019	Alan Jo	Seong-lae Cho	Apr 18, 2023	[Problem Solving](https://texonom.com/problem-solving-97a1c07eaa4e4c638b1e9ddf5cc19a25) [Imperfect](https://texonom.com/imperfect-db47cb7de30347d9ba3deef1be1b2e5f) [Problem](https://texonom.com/problem-fbd1e249a3684109bdfda83bbe9ebd43)	### Language for Science Math is the MacGyver of decomposing reality, but it's a useless tool if it's just beautiful and there's no reality to decompose it into. ### Mathematics Notion \|Title\| \|:-:\| \|[Math Area](https://texonom.com/math-area-22c6e70a869e446b8d2e79bdcb6a69dc)\| \|[Mathematician](https://texonom.com/mathematician-87ea1dce11e14674bfaf14cb01b120c6)\| \|[Math Conundrum](https://texonom.com/math-conundrum-9a29596d6c7c4be89b886235e0779721)\| \|[Math Term](https://texonom.com/math-term-e075c74435fd4a35b2c8db3206b32c06)\| \|[Math Animation](https://texonom.com/math-animation-9b268541e7f147c695f3d79aa89d2db3)\| \|[Math Notation](https://texonom.com/math-notation-6b674b56b03f4532869b78ed48bceee3)\| > [The Biggest Project in Modern Mathematics](https://youtu.be/_bJeKUosqoY)	2731da9546944e7bb9455cedddd0f87f
Philosophy of science	Science Subjects	Sep 2, 2023	Alan Jo	Alan Jo	Sep 2, 2023		### Philosophy of science Notion \|Title\| \|:-:\| \|[Demarcation problem](https://texonom.com/demarcation-problem-2440ffd9f52a49efb9dec4b776b01b5e)\| > [Philosophy of science](https://en.wikipedia.org/wiki/Philosophy_of_science)	201ce17bcaa24d7093235f3dbeb32815
Physics	Science Subjects	Nov 5, 2019	Alan Jo	Seong-lae Cho	Apr 22, 2023	[Geometry](https://texonom.com/geometry-ef4e590e8ccd4ad8842ae51217d4dda1)	사랑과 정의도 생명 이전에는 존재하지 않았다 더 근본적인 건 개념보다 물질과 그를 이루는 규칙들 ### Physics Meta \|Title\| \|:-:\| \|[Physics Field](https://texonom.com/physics-field-067210a7610a41b2a5cde7d2c2d2e62b)\| \|[Cosmology](https://texonom.com/cosmology-38c9540fe6e54b91b9aeceb33ccaf385)\| \|[Physics History](https://texonom.com/physics-history-8ad8f3a2bc7a4ddebe98254c940e534d)\| \|[Physicist](https://texonom.com/physicist-498c932c41ba493abaab2d75cb1333bd)\| \|[Physics Conference](https://texonom.com/physics-conference-1a90f296fc8e4242851140bd287680a1)\| \|[Physics Term](https://texonom.com/physics-term-f5a396443a094e4eb94401f76090b085)\| \|[Physics Problems](https://texonom.com/physics-problems-1a03fdee9ebc4c1d9fd5a15ec43ce51e)\| > The important thing is not to stop questioning - Albert Einstein - > [Belgian-Dutch child prodigy gets bachelor's degree in physics at age 11: "Immortality is my goal"](https://www.psychnewsdaily.com/belgian-dutch-child-prodigy-gets-bachelors-degree-in-physics-at-age-11-immortality-is-my-goal/?utm_source=tldrnewsletter) > [Untitled](http://mshardware.com/news/researchers-develop-intelligent-transistors-uses-85-percent-fewer-transistors)	87291fb49a7841b285a9fdaa286db0ee
AI Chemistry	Chemistry Fields	Apr 30, 2023	Alan Jo	Alan Jo	May 30, 2023		### AI Chemistry Usages \|Title\| \|:-:\| \|[Molecular Property Prediction](https://texonom.com/molecular-property-prediction-df7f81212e9c43af9f3e630cb6200106)\|	42786ae5188c442b87ebec588ca59ffd
Crypstallography	Chemistry Fields	Mar 17, 2022	Alan Jo	Alan Jo	Jun 18, 2022		### Crypstallography Notion \|Title\| \|:-:\| \|[Edge Dislocation](https://texonom.com/edge-dislocation-3edb97d2bca84d698a011bde43007e77)\| \|[Line Defect](https://texonom.com/line-defect-b49e9f2956624e8bab90793c287151ee)\| 비대칭 불규칙 준물질 > [무한하지만 반복되지 않는 패턴 (펜로즈 타일)](https://youtu.be/lkms0YlFVAw)	c865a02a2918434699b1bf659cb40780
Molecular Property Prediction	AI Chemistry Usages	May 30, 2023	Alan Jo	Alan Jo	May 30, 2023	[GNN](https://texonom.com/gnn-58adb81cb2b649d9af19019182960bb2)	### Molecular Property Prediction Tools \|Title\| \|:-:\| \|[DeepChem](https://texonom.com/deepchem-7be7d4cc0e2b423d95ee5e5b7ae0805f)\| > [Papers with Code - Molecular Property Prediction](https://paperswithcode.com/task/molecular-property-prediction)	df7f81212e9c43af9f3e630cb6200106
DeepChem	Molecular Property Prediction Tools	Apr 30, 2023	Alan Jo	Alan Jo	Jul 11, 2023		Drug discovewr quantum chemisry [deepchem](https://github.com/deepchem/deepchem)	7be7d4cc0e2b423d95ee5e5b7ae0805f
Edge Dislocation	Crypstallography Notion	Dec 24, 2019	Alan Jo	Alan Jo	Mar 17, 2022			3edb97d2bca84d698a011bde43007e77
Line Defect	Crypstallography Notion	Mar 17, 2022	Alan Jo	Alan Jo	Mar 17, 2022			b49e9f2956624e8bab90793c287151ee
Acid Base	Chemistry Topics	Aug 17, 2021	Alan Jo	Alan Jo	Aug 18, 2021		### Acid Base Notion \|Title\| \|:-:\| \|[루이스](https://texonom.com/6a5c860de18d4d0099e3c260fb70dd48)\| \|[브뤤스테드](https://texonom.com/015b58d0e8164371b8568fb766eb5d50)\|	da86a681608f4ed2aa397408c6ec4f7b
Chemical Equation	Chemistry Topics	Nov 5, 2019	Alan Jo	Seong-lae Cho	Jun 25, 2023		### Tip - 질량/분자량 비 = 계수비 - 계수 x 분자량비 = 질량비 - 계수비 = 부피비 (기체끼리) ### 종류 > > [금속반응 화학식](https://texonom.com/1dde21740bb049deb7d63d4269b667b6) > > > [산화물 반응](https://texonom.com/e5c46efde8ca44828f8488b39b1a2889) > > > [탄산염 반응](https://texonom.com/d36d5fa42b3a4193a0777e8245b86261) > > > [탄소화합물 반응](https://texonom.com/2b871bb664104909aa0159eb0e9ce68c) >	9e2b57038a5d4612ad8e8f0b0e004fec
Compound	Chemistry Topics	Feb 17, 2022	Alan Jo	Alan Jo	Jun 25, 2023		### Compounds \|Title\| \|:-:\| \|[Mineral Compound](https://texonom.com/mineral-compound-8f39cdcbe63d42779d910c578f864a0c)\| \|[Organic Compound](https://texonom.com/organic-compound-3e5660b7cdd14ae0a9c6a68f797209e4)\|	cb7ce9afef3e4fb59037bf4e74cdc54d
Distillation	Chemistry Topics	Mar 12, 2021	Alan Jo	Alan Jo	Aug 17, 2021		증류 상대휘발도의 차이를 이용하여 액체 상태의 혼합물을 분리하는 방법	9639497c9a1346ff8d356ec29f5b6813
Ligand	Chemistry Topics	Apr 28, 2023	Alan Jo	Alan Jo	Apr 28, 2023		배위결합하고 있는 화합물의 중심금속 이온의 주위에 결합하고 있는 분자나 이온	f4d5d25e208449ddbebb4eeff3d8d070
브뤤스테드	Acid Base Notion	Nov 5, 2019	Alan Jo	Seong-lae Cho	Aug 17, 2021		짝항 항상 존재 - 산소 주면 받는놈 있지	015b58d0e8164371b8568fb766eb5d50
루이스	Acid Base Notion	Nov 5, 2019	Alan Jo	Seong-lae Cho	Aug 17, 2021		짝항 항상 존재 - 전자쌍주면 받는놈 있지	6a5c860de18d4d0099e3c260fb70dd48
금속반응 화학식	Chemical Equation	null	null	null	null	null	## 2b/a = 금속의 가수 > ### 1가 - a : b = 2 : 1 > ### 2가 - a : b = 2 : 2 > ### 3가 - a : b = 2 : 3 - 좌 2개중 1개를 조금씩 집어넣는 식으로 반응 진행' - 수용액에서 이온수가 조건이나 결과로 활용 # 금속과 산의 반응 $$aM(Metal) + 2bHA(Acid) → bH_2+ aMA_{2b/a}(Salt) $$ $$2H^+ + 2e^- → H^2$$ - A 기체는 발생하지 않는다 수소가 약해서 대신 산화되기 때문 # 금속과 물의 반응 $$aM(Metal) + 2bH_2O → bH_2+ aM(OH)_{2b/a}(Hydroxide) $$ $$2H_2O+ 2e^- → H^2 + 2OH^-$$ - 이온수 항상 증가	1dde21740bb049deb7d63d4269b667b6
탄소화합물 반응	Chemical Equation	null	null	null	null	null	cho → co2 + h2o 질량비 12m + n + 16l 44m : 9n	2b871bb664104909aa0159eb0e9ce68c
기체반응	Chemical Equation	null	null	null	null	null	aA2 + bB2 → cC2	759baf026f1d4143b2203e9cedfc064b
탄산염 반응	Chemical Equation	null	null	null	null	null	중화반응임 탄산염 + 산 → CO2 + h2o + 염 탄산염 → co2 + 산화물	d36d5fa42b3a4193a0777e8245b86261
산화물 반응	Chemical Equation	null	null	null	null	null	금속 + ㅐ2 → 금속산화물 전이원소 빼고 비금속 + ㅐ2 → 비금속 산호물 +co or co2 플루오린 빼고	e5c46efde8ca44828f8488b39b1a2889
Mineral Compound	Compounds	Feb 17, 2022	Alan Jo	Alan Jo	Feb 17, 2022		### Template Gallary \|Title\| \|:-:\| \|[Template Page](https://texonom.com/template-page-a7e4fd2bfdaa43ec980604d50a229957)\|	8f39cdcbe63d42779d910c578f864a0c
Organic Compound	Compounds	Feb 17, 2022	Alan Jo	Alan Jo	Jun 25, 2023			3e5660b7cdd14ae0a9c6a68f797209e4

Mathematical Logic

Formal Logics

Apr 5, 2022

Alan Jo

Jun 19, 2022

[Mathematics](https://texonom.com/mathematics-2731da9546944e7bb9455cedddd0f87f)

### 논리학에서 사용하는 명제들을 수학적인 기호로 표시하는 학문 ### Mathematical Logic Notion |Title| |:-:| |[Consistent Theory](https://texonom.com/consistent-theory-723eabed6024481c88326735c92bf831)| |[Axiom](https://texonom.com/axiom-01147181157e4e68a84a5af85ffdd035)| |[Proof](https://texonom.com/proof-063df012aa0b494d8db9c5edb8ef100d)| |[Statement](https://texonom.com/statement-77fe55f90fce4e7b8b41e75036f2b774)| |[Theorem](https://texonom.com/theorem-2dfea8ae9115493ba6c6a31251c53b66)| |[Assumption](https://texonom.com/assumption-3ade69ed840b4a22be30b34af277e548)| |[Conclusion](https://texonom.com/conclusion-3ad47bf08d274bfc86e4173cc367fc84)| ### Mathematical Logic Usages |Title| |:-:| > [Untitled](https://en.wikipedia.org/wiki/Mathematical_logic)

dc5a5765623c4cef9f76a78cca288960

Assumption

Mathematical Logic Notion

Sep 7, 2022

Alan Jo

Sep 7, 2022

[Conclusion](https://texonom.com/conclusion-3ad47bf08d274bfc86e4173cc367fc84)

가정 자체가 과학적이지 않다면 결론도 무의미

3ade69ed840b4a22be30b34af277e548

Axiom

Mathematical Logic Notion

Jun 19, 2022

Alan Jo

Jul 29, 2023

### 공리 모든 증명은 참이라 여겨지는 공리로부터 시작 (증명할 수 없음) 형식주의자들은 공리를 기호로 표현 가능한 형식 체계를 원했다 이 말은 모든 수학적 표현이 기호로 표현 가능해진다는 의미 이 형식체계를 다룰 수 있는 규칙을 만들어나가는 ### Axioms |Title| |:-:| |[Equational Axiom](https://texonom.com/equational-axiom-727ca00a3a5e402ab6a4bd0e9a1f5602)| |[Existential axioms](https://texonom.com/existential-axioms-506b0ab44f7d4523bda3a1335ff63bc1)| |[Non-equational axioms](https://texonom.com/non-equational-axioms-68657b6ade9248f3bf309dd87c26bd59)| 책이 나옴 ‘수학 원리’라는 책 형식 체계 자체를 증명해나가는데 - complete - 수학은 완전한가 (참인 모든 문장을 증명할 수 있는다) (false by [Gödel’s incompleteness theorem](https://texonom.com/gdels-incompleteness-theorem-820d082fd9bf424f8125dda3bf9e859b) ) - consistent - 일관적이고 모순이 없는가 - 참인 동시에 거짓인 statement가 없는가 (false by [2nd Gödel’s incompleteness theorem](https://texonom.com/2nd-gdels-incompleteness-theorem-173d1bd5bdac42448e637253f602a763) ) - decidable - 어떤 명제가 공리를 따르는 지 결정할 수 있는 알고리즘이 존재하는가 (false by [Halting Problem](https://texonom.com/halting-problem-ef95f2638ef64fbba522eeb23a2e9002) [Alan Turing](https://texonom.com/alan-turing-df61b5084e544ac58577d289983e0d28) ) 힐베르트는 모두 true라 생각했지만, 사실 전부 false로 증명되었다 ### Axiom Notion |Title| |:-:| |[Principia Mathmatica](https://texonom.com/principia-mathmatica-554f34533a3e4c0fbeecc997f412cb8c)| > In opposition to the foolish ignorabimus our slogan shall be ‘ we must know - we will know’ - **David Hilbert** > [당신이 수학을 모르는 이유. (feat. 불완전성의 정리)](https://www.youtube.com/watch?v=oippSXvxUlw)

01147181157e4e68a84a5af85ffdd035

Conclusion

Mathematical Logic Notion

Sep 7, 2022

Alan Jo

Sep 7, 2022

[Assumption](https://texonom.com/assumption-3ade69ed840b4a22be30b34af277e548)

결과가 된다는 걸 확인하면 일단 의미가 생긴다

3ad47bf08d274bfc86e4173cc367fc84

Consistent Theory

Mathematical Logic Notion

Apr 5, 2022

Alan Jo

Apr 5, 2022

거짓을 추론할 수 없는 이론 무모순적 이론에서는 스스로와 그 부정을 모두 증명할 수 있는 문장이 존재하지 않는다 반대로 모순적인 이론은 모든 문장이 증명 가능하므로 무의미한 이론이 된다

723eabed6024481c88326735c92bf831

Proof

Mathematical Logic Notion

Jun 19, 2022

Alan Jo

Apr 18, 2023

[Inference](https://texonom.com/inference-74db3fc61037415ea1f3ec39b1eeeb0f)

모든 증명은 참이라 여겨지는 공리로부터 시작 [Proof by Contradiction](https://texonom.com/proof-by-contradiction-3a1db55de5aa4e009771be33955582d7) > [당신이 수학을 모르는 이유. (feat. 불완전성의 정리)](https://www.youtube.com/watch?v=oippSXvxUlw)

063df012aa0b494d8db9c5edb8ef100d

Statement

Mathematical Logic Notion

Jun 19, 2022

Alan Jo

Apr 25, 2023

77fe55f90fce4e7b8b41e75036f2b774

Theorem

Mathematical Logic Notion

Jun 19, 2022

Alan Jo

Sep 14, 2023

### proof된 statement

2dfea8ae9115493ba6c6a31251c53b66

Principia Mathmatica

Axiom Notion

Jun 19, 2022

Alan Jo

May 13, 2023

554f34533a3e4c0fbeecc997f412cb8c

Equational Axiom

Axioms

May 13, 2023

Alan Jo

May 13, 2023

727ca00a3a5e402ab6a4bd0e9a1f5602

****Existential axioms****

Axioms

May 13, 2023

Alan Jo

May 13, 2023

506b0ab44f7d4523bda3a1335ff63bc1

****Non-equational axioms****

Axioms

May 13, 2023

Alan Jo

May 13, 2023

68657b6ade9248f3bf309dd87c26bd59

Proof by Contradiction

Proof

null

> [가장 작은 반례에서 모순을 찾는 "기가 막힌" 논리](https://youtube.com/watch?v=_KGmth-Ja6c&feature=shares)

3a1db55de5aa4e009771be33955582d7

Assignment Statement

Statements

Apr 25, 2023

Alan Jo

Apr 25, 2023

### Data Assignment

0f3e26f56f4a43c09d09e11fbb793ec8

domain of discourse

Predicate logic Notion

May 30, 2021

Alan Jo

Jun 6, 2023

### 어떠한 양화사가 다룰 수 있는 개체들의 집합 universe of discourse 또는 담화 영역또는 논의 영역 또는 의논 영역

6936a8c1ec694b0e8b8504b76bed2d8f

**First-order logic**

Predicate logic Notion

May 30, 2021

Alan Jo

Jun 6, 2023

### predicate Logic

290522e2846643ba934eac6c7b769f3f

first-order logic

Predicate logic Notion

May 30, 2021

Alan Jo

Jun 6, 2023

술어 논리(predicate logic)라 하면 1차 논리를 가리키는 경우가 많다

8803c1084a5948d481dbf5254ed9ce41

higher-order logic

Predicate logic Notion

May 30, 2021

Alan Jo

Jun 6, 2023

관계 또는 관계의 관계 등을 지칭하는 변수에 전칭·존재 기호를 가할 수 있는 일련의 논리 체계들 모든 고차 논리는 ω차 논리의 부분 논리 체계로 생각할 수 있다 > [고차 논리 - 위키백과, 우리 모두의 백과사전](https://ko.wikipedia.org/wiki/%EA%B3%A0%EC%B0%A8_%EB%85%BC%EB%A6%AC)

f6c0128eb1de4a5c81eff7e8ebd8a161

Inference

Predicate logic Notion

Mar 2, 2023

Alan Jo

Jun 25, 2023

[Reasoning](https://texonom.com/reasoning-71cebd7628e94727b88bf6bf42a624df) [Error](https://texonom.com/error-1e2cd2dbfc48461e93e89fa0f4ed891d)

추론의 사슬이 단계를 거듭할수로 확률은 지수적으로 낮아지니 그 데이터로 판단할 수 있는 최소한만큼의 추론을 최대한의 확신으로 판단해야 한다 기준을 높임으로써 일반화의 오류와 편견을 방지할 수 있다 ### Inferences |Title| |:-:| |[Deductive Inference](https://texonom.com/deductive-inference-2ba90c30a128447eb83380c70e15db0f)| |[Inductive Inference](https://texonom.com/inductive-inference-5b1e3298a9e0410d9d0a6de3da798a69)| |[Reductio ab absurdum](https://texonom.com/reductio-ab-absurdum-e24d8a75dd974b588aa0be66a2197f75)| |[Abductive Inference](https://texonom.com/abductive-inference-fd5b9d3ea0924a9598fbe4286920cd9e)| |[Analogy](https://texonom.com/analogy-2b72830c72c84dbb9c857ec5c4efc086)|

74db3fc61037415ea1f3ec39b1eeeb0f

Quantifier

Predicate logic Notion

May 30, 2021

Alan Jo

Jun 6, 2023

논리학이나 언어학 에서 자유변항을 가진 논리식이 적용되는 의논영역에 있는 개체의 양을 지정하는 것 [Universal Quantifier](https://texonom.com/universal-quantifier-b1d0078c148d497abaeccebff9455022) [Existential Quantification](https://texonom.com/existential-quantification-cf7408a0f6f649e2a931e60bd04d1e99)

9c8ecf60134f40f58d1af5a382c27f28

second-order logic

Predicate logic Notion

May 30, 2021

Alan Jo

Jun 6, 2023

임의의의 다항 관계 및 다항 연산에 대한 변수 및 이에 대한 전칭·존재 기호를 사용할 수 있는 논리 1차 논리에서 변수는 사용하는 모형의 원소만을 지칭하지만, 2차 논리에서는 모형 속의 임의의 부분 집합에 대하여 언급할 수 있다 1차 논리와 달리 완전한 증명 체계를 갖지 못하며, 콤팩트성 정리나 뢰벤하임-스콜렘 정리와 같은 중요한 성질들이 성립하지 않는다

7369c9dec58f479fb61b1010cea4b4f4

Abductive Inference

Inferences

Mar 2, 2023

Alan Jo

Mar 2, 2023

### 귀추법

fd5b9d3ea0924a9598fbe4286920cd9e

Analogy

Inferences

Apr 3, 2022

Alan Jo

Apr 15, 2023

**유추** 두 개의 특수한 대상에서 어떤 징표가 일치하고 있기 때문에 다른 징표도 일치하고 있음을 추정

2b72830c72c84dbb9c857ec5c4efc086

Deductive Inference

Inferences

Mar 2, 2023

Alan Jo

Sep 7, 2023

2ba90c30a128447eb83380c70e15db0f

Inductive Inference

Inferences

Mar 2, 2023

Alan Jo

Sep 7, 2023

**reasoning from observed training cases to general rules** bottom-up logic ### Inductive Inferences |Title| |:-:| |[Mathematical induction](https://texonom.com/mathematical-induction-428dbeddb59940dca2267474cb23631c)|

5b1e3298a9e0410d9d0a6de3da798a69

Reductio ab absurdum

Inferences

Mar 2, 2023

Alan Jo

Mar 2, 2023

### 귀류법 - 배리법 - 반증법

e24d8a75dd974b588aa0be66a2197f75

**Syllogism**

Deductive Reasonings

Sep 7, 2023

Alan Jo

Sep 7, 2023

### 삼단논법

50255bb0c54b4e9c995ff1ddc57171ab

Mathematical induction

Inductive Inferences

Sep 1, 2023

Alan Jo

Sep 7, 2023

[Syllogism](https://texonom.com/syllogism-50255bb0c54b4e9c995ff1ddc57171ab) [Recurrence relation](https://texonom.com/recurrence-relation-1c0b90005c30437fa61c5e049782e4be)

귀납은 늘이기보다 줄이기의 과정이다 증명의 과정은 줄이는 과정이고 보여주는 과정에서는 늘어나는 방법은 답을 알고 하는 보여주기에 가깝 1. Basic Step 2. Inductive Step ### Mathematical induction Notion |Title| |:-:| |[Inductive hypothesis](https://texonom.com/inductive-hypothesis-b8850c425fc44b1d9a174debdc98ecd5)| > [수학적 귀납법 99.99% "엉터리"로 배웠습니다.](https://youtube.com/watch?v=NLcv5VGGQXU&feature=shares) > [어디서도 보기 힘든 절묘한 수학적 귀납법의 활용 (귀납가설을 다섯번 활용?)](https://youtube.com/watch?v=sIMbG0yAdx0&feature=shares)

428dbeddb59940dca2267474cb23631c

Inductive hypothesis

Mathematical induction Notion

Mar 2, 2023

Alan Jo

Sep 14, 2023

[Hypothesis](https://texonom.com/hypothesis-5b91c25cdd0b49969463e53d38754025)

### Target to prove in Inductive Step **명제가 어떤 n에 대해 유지된다는, 귀납적 단계에서 가설** ### Strategy - Strengthen the inductive hypothesis

b8850c425fc44b1d9a174debdc98ecd5

Existential Quantification

Quantifier

null

존재양화사 ~가 존재한다

cf7408a0f6f649e2a931e60bd04d1e99

Universal Quantifier

Quantifier

null

보편양화사 모든 ~에 대하여

b1d0078c148d497abaeccebff9455022

콤팩트성 정리

Predicate Logic Theorem

May 30, 2021

null

1a5e6f00837e43938a7a39b9d57167ff

체르멜로-프렝켈 집합론

Predicate Logic Theorem

May 30, 2021

null

2f60df151b2447029d0b2fba15edd5e0

뢰벤하임-스콜렘 정리

Predicate Logic Theorem

May 30, 2021

null

3c9c34bc160443c2ad1df2449ed984d1

Lindström’s theorem

Predicate Logic Theorem

May 30, 2021

null

린드스트룀 정리 1차 술어 논리는 (가산) 콤팩트성 정리와 하향 뢰벤하임-스콜렘 정리를 만족시키는 가장 강력한 논리 체계

d9ab0e72c0d24a41b8691397e84e5b87

Material Conditional

Propositional Logic Notion

Apr 17, 2023

Alan Jo

Apr 17, 2023

[Mathematical Logic](https://texonom.com/mathematical-logic-dc5a5765623c4cef9f76a78cca288960)

## M**aterial implication** *Logical conditional* ### *Logical conditionals* |Title| |:-:| |[Conditional sentence](https://texonom.com/conditional-sentence-03ebc06508d640e6ba6ade0a75da5c56)| |[Necessary Condition](https://texonom.com/necessary-condition-b1f022e558bc41fc9136493dd6aff1a1)| |[Sufficient Condition](https://texonom.com/sufficient-condition-18fef888b5a844898bf7f0cb3eaf98c2)| |[Necessity and sufficiency](https://texonom.com/necessity-and-sufficiency-2977b0433d074b27bed77cb7659d1b5c)|

ce41b66706654b54a7dbda3fe1ed5f3a

**Conditional sentence**

Logical conditionals

Apr 17, 2023

Alan Jo

Apr 17, 2023

03ebc06508d640e6ba6ade0a75da5c56

Necessary Condition

Logical conditionals

Apr 17, 2023

Alan Jo

Apr 17, 2023

## Necessity

b1f022e558bc41fc9136493dd6aff1a1

**Necessity and sufficiency**

Logical conditionals

Apr 17, 2023

Alan Jo

Apr 17, 2023

2977b0433d074b27bed77cb7659d1b5c

Sufficient Condition

Logical conditionals

Apr 17, 2023

Alan Jo

Apr 17, 2023

### Sufficiency

18fef888b5a844898bf7f0cb3eaf98c2

Experiment

Science Meta

Dec 14, 2021

Alan Jo

Jul 4, 2023

실험적 결과를 믿지 못하겠다는 말은 과학 전체를 부정하는 것 ### Experiment Tools |Title| |:-:| |[Microscopy](https://texonom.com/microscopy-8755fba6f4934f9889e2cf4bae44b937)| |[Telescope](https://texonom.com/telescope-f2244b56e8174dc4805e5fd024f825eb)|

f68054945b2f40e88dc6c0975d512687

Hypothesis

Science Meta

Mar 2, 2023

Alan Jo

Jun 6, 2023

### Theory should have - self-consistency - 이론 내에서 모순이 없어야함 - generality - 더 넓은 영역의 관측 결과를 설명해야 - predictability - 현상을 예측할 수 있어야함 - falsifiability - 부정당할 가능성이 있어야함 ([Religion](https://texonom.com/religion-695970ea258a4892b2e958d2b306940a)) and select theory based on [Occam's Razor](https://texonom.com/occams-razor-0452b9a462e547b1b31b6ed11b0898f2) ### Hypothesis Notion |Title| |:-:| |[Null Hypothesis](https://texonom.com/null-hypothesis-ce9a2477f77f48b09553e7a0c47da050)| |[Alternative Hypothesis](https://texonom.com/alternative-hypothesis-791aa85cf2cb4653b38a85f14deeec15)| > No amount of experimentation can prove me right; a single experiment can prove me wrong - [Albert Einstein](https://texonom.com/alberteinstein-4c62fc9f0a614306acd8170cc89d773e) > [실패를 기도하는 이론 - 귀무가설과 대립가설 - 공돌이의 수학정리노트 (Angelo's Math Notes)](https://angeloyeo.github.io/2020/03/25/hypothesis.html)

5b91c25cdd0b49969463e53d38754025

Instrumentalism

Science Meta

Jul 6, 2022

Alan Jo

Jul 6, 2022

과학이론을 관측가능한 현상을 조직화·예측화하도록 하는 형식적인 도구·장치라고 여기는 입장 도구주의에서는 관측불가능한 대상에 대해서 이야기하는 것은 [Metaphysics](https://texonom.com/metaphysics-c8269ee422494d6c9abf91897a0f0724) 의 역할이라고 생각하여, 과학의 역할은 아니라고 여긴다 > [도구주의 - 위키백과, 우리 모두의 백과사전](https://ko.wikipedia.org/wiki/%EB%8F%84%EA%B5%AC%EC%A3%BC%EC%9D%98)

9cf462d79610431db5448dbee2940d10

Laboratory

Science Meta

Jun 21, 2022

Alan Jo

Jun 25, 2023

[Company](https://texonom.com/company-bd6a77f8baa34b0aa7c028e457dbe1ed) [Graduate school](https://texonom.com/graduate-school-9a38329c40cd42d68144267a6eb022af)

회사와 달리 제품에 대한 경향이 없어서 최대한 다양한 [POC](https://texonom.com/poc-218ef3772c944075ad7cd6ea5278570c)와 새로운 [Concept](https://texonom.com/concept-1a4eaf967a454a609b5e7dda97aa89eb) 과 [Terminology](https://texonom.com/terminology-81ec3f408d6a4ed4971a3601f89568d5) 생산에 집중 ### Lab Usages |Title| |:-:| |[LabDAO](https://texonom.com/labdao-59160b4246ec4c7e93422afe2fead2c3)|

69f8891dca2248bb9b2dfd849fe96366

Physical Unit

Science Meta

Mar 18, 2020

Alan Jo

Aug 17, 2021

### Physical Units |Title| |:-:| |[psiper square inch](https://texonom.com/psiper-square-inch-a8cc6215a4e443d49752dfd037b69a71)| |[ksi](https://texonom.com/ksi-104ceecd1ae548e884bb6e5cec189a25)| |[lbin](https://texonom.com/lbin-3f295041ad2844699aed0fd6e0138923)| |[bar](https://texonom.com/bar-feaf9567b1cc4874ac0736ebc9d22d1c)| |[Decibel](https://texonom.com/decibel-0ad74ac8453745c881fe72c42293d48e)|

a135a8ea26974368b6ab22153ca33d34

Pseudo Science

Science Meta

Sep 7, 2022

Alan Jo

Sep 7, 2022

1abc838e1dbc4a44b9c6cd82468aefbc

**Pseudoscience**

Science Meta

Jun 26, 2022

Alan Jo

Mar 2, 2023

사람들은 두 사건이 연달아 일어나면 진화학적으로 그것에서 인과관계를 찾게 된다 우연성을 필연성으로 착각하게 된다

c1e77df2efb4465e8f47006b20e7d1a0

Reproducibility

Science Meta

Mar 2, 2023

Alan Jo

Mar 2, 2023

재현성이 없는 관측자료는 자연과학적 지식의 근거가 될 수 없다 예를들어 ufo, 초능력 [Pseudo Science](https://texonom.com/pseudo-science-1abc838e1dbc4a44b9c6cd82468aefbc)

6b61b5ca572548b4bb4cef0611d74686

Science Book

Science Meta

May 23, 2021

Alan Jo

Aug 17, 2021

be12e7ff44414a55a1ba44ffb2b7b249

Scientific Method

Science Meta

Feb 16, 2020

Alan Jo

Aug 17, 2021

> - Contion management is important >> - find un-used condition >> - combine two condition to one condition > ![](https://www.notion.so/image/https%3A%2F%2Fs3-us-west-2.amazonaws.com%2Fsecure.notion-static.com%2F823a18a2-4826-45e1-9c38-f8bde17b26db%2F2013-updated_scientific-method-steps_v6_noheader.png?table=block&id=26d93048-66e5-4045-aa0c-4d3d5ed0191f&cache=v2)

7004ef5da64142cfb5df46d7f9f64df5

**Scientific realism**

Science Meta

Jul 6, 2022

Alan Jo

Jul 6, 2022

afd1be31f8f74f4aa62c94b3faddcb13

Theory

Science Meta

Sep 14, 2023

Alan Jo

Sep 14, 2023

[Axiom](https://texonom.com/axiom-01147181157e4e68a84a5af85ffdd035)

something always true through the universe from big bang to the end of the universe

abcf7f85aad247329a403ea233fbbcae

Microscopy

Experiment Tools

Dec 14, 2021

Alan Jo

Dec 14, 2021

[Confocal Microscopy](https://texonom.com/confocal-microscopy-ee61359a1f6b4d889762026d68826239)

8755fba6f4934f9889e2cf4bae44b937

Telescope

Experiment Tools

Dec 23, 2021

Alan Jo

Apr 21, 2023

[Satellite](https://texonom.com/satellite-3464395d523344d492d27a7c8cb769a9)

### Telescopes |Title| |:-:| |[James Webb telescope](https://texonom.com/james-webb-telescope-4f9d23d1feda4412b18cbe1736dcb8a9)| |[Hubble Telescope](https://texonom.com/hubble-telescope-a247b6843c564f58a55bcea1e233ce7a)| [Masking Interferometry](https://texonom.com/masking-interferometry-7961ada69ac94cb69ce6e86f86d8caf3) for [Planet](https://texonom.com/planet-4ccee7e565194ec5a3cbe71c41bfdead) > [NASA 공식 발표! 인류가 발견한 외계행성 5천 개 돌파! 🎉 | 30년 외계행성 발견의 모든 역사 깔끔 총정리 | 2027년 실현될 엄청난 프로젝트까지!](https://youtu.be/_v1YMaZKvC0) > [Building telescopes on the Moon is becoming an achievable goal](https://arstechnica.com/science/2023/04/building-telescopes-on-the-moon-is-becoming-an-achievable-goal)

f2244b56e8174dc4805e5fd024f825eb

Confocal Microscopy

Microscopy

null

### **Self-Driving Microscopes** > [Self-Driving Microscopes to Navigate the Nanoscale](https://spectrum.ieee.org/confocal-microscopy)

ee61359a1f6b4d889762026d68826239

Masking Interferometry

Telescope

null

구멍이 뚤린 가림막으로 분해능을 높이는 기술 [Resolution](https://texonom.com/resolution-b3d8b58f30ce4f1ab32ed13b11c08866)

7961ada69ac94cb69ce6e86f86d8caf3

Hubble Telescope

Telescopes

Jan 4, 2022

Alan Jo

Jan 4, 2022

[허블 딥 필드](https://texonom.com/aacc0e2a08fd4471bb7cfc9faeee7758)

a247b6843c564f58a55bcea1e233ce7a

**James Webb telescope**

Telescopes

Dec 23, 2021

Alan Jo

Jul 27, 2022

[Lagrangian point](https://texonom.com/lagrangian-point-5ed520b531f5458ca3f76809f3f4240f)

## JWST 허블의 후계자 L2 Point ### Real Time > [Where Is Webb? NASA/Webb](https://www.jwst.nasa.gov/content/webbLaunch/whereIsWebb.html) > [Webb's Launch GSFC/NASA](https://www.jwst.nasa.gov/) > [James Webb telescope: how it could uncover some of the universe's best-kept secrets](https://theconversation.com/james-webb-telescope-how-it-could-uncover-some-of-the-universes-best-kept-secrets-173717) ### Korean > [https://www.youtube.com/watch?v=Kbn-dNTpSM4](https://www.youtube.com/watch?v=Kbn-dNTpSM4) > [제임스 웹 우주 망원경의 셀카가 공개되었다! 그런데 저게 뭐지? | 제임스 웹은 어떻게 초점을 조절할까? | 내부 설계도 공개!](https://youtu.be/vuLtdECuPlo) ### English > [Marvel at the first batch of full-color images from NASA's James Webb Space Telescope](https://www.theverge.com/2022/7/12/23203307/jwst-first-full-color-images-nasa-reveal) > [Two Weeks In, the Webb Space Telescope Is Reshaping Astronomy | Quanta Magazine](https://www.quantamagazine.org/two-weeks-in-the-webb-space-telescope-is-reshaping-astronomy-20220725/)

4f9d23d1feda4412b18cbe1736dcb8a9

허블 딥 필드

Hubble Telescope

null

화로자리 부분에 있는 조그만 영역을 찍은 사진 허블 우주 망원경이 2003년 9월 3일부터 2004년 1월 16일까지 찍은 사진들을 조합한 것

aacc0e2a08fd4471bb7cfc9faeee7758

Alternative Hypothesis

Hypothesis Notion

Jun 1, 2023

Alan Jo

Jun 6, 2023

[Null Hypothesis](https://texonom.com/null-hypothesis-ce9a2477f77f48b09553e7a0c47da050)

대립가설 새로운 것이 있다

791aa85cf2cb4653b38a85f14deeec15

Null Hypothesis

Hypothesis Notion

Jun 1, 2023

Alan Jo

Jun 6, 2023

[Proof by Contradiction](https://texonom.com/proof-by-contradiction-3a1db55de5aa4e009771be33955582d7) [Alternative Hypothesis](https://texonom.com/alternative-hypothesis-791aa85cf2cb4653b38a85f14deeec15)

### 귀무가설 새로울 게 없다 즉 패더다임에 영향을 미치지 않지만 참이 아님을 증명하는 것이 참임을 증명하는 것보다 훨씬 쉽워서 주관성이 개입시키지 않기 위해서 두 표본 평균의 차이를 검증한다고 할 때, 두 표본 집단의 모집단은 같다는 가정을 전제 ![](https://www.notion.so/image/https%3A%2F%2Fs3-us-west-2.amazonaws.com%2Fsecure.notion-static.com%2Ff0034556-597c-4cb6-9b4d-4917a9fc2e76%2FUntitled.png?table=block&id=ef254087-9df4-4250-82ea-860b9ce12618&cache=v2) [Null Hypothesis](https://texonom.com/null-hypothesis-ce9a2477f77f48b09553e7a0c47da050) 과 유사 귀무가설을 기각할 수 있게 되었다고 해서 대립가설을 증명한 것이 아니라는 점 즉 무죄가 아니라고 해당 범죄에 대한 유죄가 아니다 > [실패를 기도하는 이론 - 귀무가설과 대립가설 - 공돌이의 수학정리노트 (Angelo's Math Notes)](https://angeloyeo.github.io/2020/03/25/hypothesis.html)

ce9a2477f77f48b09553e7a0c47da050

LabDAO

Lab Usages

Jun 21, 2022

Alan Jo

Jun 21, 2022

> [LabDAO](https://www.labdao.xyz/)

59160b4246ec4c7e93422afe2fead2c3

bar

Physical Units

Mar 18, 2020

Alan Jo

Aug 17, 2021

feaf9567b1cc4874ac0736ebc9d22d1c

Decibel

Physical Units

Jun 10, 2020

Alan Jo

Aug 17, 2021

증폭도(gain)을 사용할 때 dB을 많이 사용한다. 게인을 log로 표시한 비 이다. dBm과는 다르다 dB가 비 라면 dBm은 1mW에 대한 비이다. 따라서 이것은 power을 나타내는 절대값 > ![](https://www.notion.so/image/https%3A%2F%2Fs3-us-west-2.amazonaws.com%2Fsecure.notion-static.com%2F1e6c8cce-f3a5-4354-be61-30532c8af8c2%2FUntitled.png?table=block&id=f44c6b21-7150-4832-b5d4-0e6c7aa61eed&cache=v2) > ### dBm = dBmW 파워에서 dB라고 표시하면 입력된 전력과 출력된 전력간의 비를 말한다 dB 자체가 비 이기 때문에 어떤 것이든 단위는 P의 W 단위는 사라진다 그래서 - power gain - voltage gain - current gain > [Decibel](https://en.wikipedia.org/wiki/Decibel) > [신호의 개념 - 주파수 frequency, dB, dBm, wavelength, Impedance matching, skin effect](https://m.blog.naver.com/dolicom/10082982545)

0ad74ac8453745c881fe72c42293d48e

ksi

Physical Units

Mar 18, 2020

Alan Jo

Aug 17, 2021

10^3 psi 쿠사이

104ceecd1ae548e884bb6e5cec189a25

lbin

Physical Units

Mar 18, 2020

Alan Jo

Aug 17, 2021

3f295041ad2844699aed0fd6e0138923

psiper square inch

Physical Units

Mar 18, 2020

Alan Jo

Aug 17, 2021

lb/in^2 푸사이

a8cc6215a4e443d49752dfd037b69a71

Ghost

Pseudo Science Topics

Sep 7, 2022

Alan Jo

Sep 7, 2022

처녀귀신 보는건 너무 문화적 영향 한국인이 브라질 가서 브라질 전통의상 입은거 보면 귀신의 증거가 될수도 > [https://youtu.be/qFrfD_Bws7g](https://youtu.be/qFrfD_Bws7g)

635ab5ade5f14e6387eb11d2aedb1ad2

앨러건트 유니버스

Science Books

Mar 2, 2020

Alan Jo

Aug 17, 2021

3b3a2efc635d4d66be4e0bf64764d748

나우 시간의 물리학

Science Books

Mar 2, 2020

Alan Jo

Aug 17, 2021

d571d6ac336e4c26934eb2bf21170d03

과학은 반역이다

Science Books

Mar 2, 2020

Alan Jo

Aug 17, 2021

프리먼 다이슨 ### 언제나 열려 있을 완료되지 못할 3가지 방향성 [meta-mathematics](https://texonom.com/meta-mathematics-42cf5edc7438462e8531bd212168dd87) [complexity science](https://texonom.com/complexity-science-7d2f3c3d0a484d6e9c31af9449fb6cb7) [expanding cosmose](https://texonom.com/expanding-cosmose-3813837320c943f79c1e7f03db78002a)

e304c67e81ae4ff79aacd873ac93bf70

시간의 역사

Science Books

Mar 2, 2020

Alan Jo

Aug 17, 2021

fe60e50f84a541609ba0d4c48cbe59ac

complexity science

과학은 반역이다

null

7d2f3c3d0a484d6e9c31af9449fb6cb7

expanding cosmose

과학은 반역이다

null

3813837320c943f79c1e7f03db78002a

meta-mathematics

과학은 반역이다

null

42cf5edc7438462e8531bd212168dd87

Chemistry

Science Subjects

Nov 5, 2019

Alan Jo

Seong-lae Cho

Mar 17, 2022

[Matter](https://texonom.com/matter-a705a30995b84df9b2b302e4e0b6cec2)

### Chemistry Fields |Title| |:-:| |[Crypstallography](https://texonom.com/crypstallography-c865a02a2918434699b1bf659cb40780)| |[AI Chemistry](https://texonom.com/ai-chemistry-42786ae5188c442b87ebec588ca59ffd)| ### Chemistry Topics |Title| |:-:| |[Distillation](https://texonom.com/distillation-9639497c9a1346ff8d356ec29f5b6813)| |[Acid Base](https://texonom.com/acid-base-da86a681608f4ed2aa397408c6ec4f7b)| |[Ligand](https://texonom.com/ligand-f4d5d25e208449ddbebb4eeff3d8d070)| |[Compound](https://texonom.com/compound-cb7ce9afef3e4fb59037bf4e74cdc54d)| |[Chemical Equation](https://texonom.com/chemical-equation-9e2b57038a5d4612ad8e8f0b0e004fec)|

e72947c24ab8405999f8a4c8581adfd4

Math Science

Science Subjects

Nov 5, 2019

Alan Jo

Seong-lae Cho

Mar 28, 2023

[Mathematics](https://texonom.com/mathematics-2731da9546944e7bb9455cedddd0f87f)

[ComplexScience](https://texonom.com/complexscience-09f49f2748fb4527ac9cfcda9441d7c4) [Math System](https://texonom.com/math-system-571bcd0b40a94aadaf2b359aeedf967f)

6819673826a542d5a720146c6a4b469e

Mathematics

Science Subjects

Nov 5, 2019

Alan Jo

Seong-lae Cho

Apr 18, 2023

[Problem Solving](https://texonom.com/problem-solving-97a1c07eaa4e4c638b1e9ddf5cc19a25) [Imperfect](https://texonom.com/imperfect-db47cb7de30347d9ba3deef1be1b2e5f) [Problem](https://texonom.com/problem-fbd1e249a3684109bdfda83bbe9ebd43)

### Language for Science Math is the MacGyver of decomposing reality, but it's a useless tool if it's just beautiful and there's no reality to decompose it into. ### Mathematics Notion |Title| |:-:| |[Math Area](https://texonom.com/math-area-22c6e70a869e446b8d2e79bdcb6a69dc)| |[Mathematician](https://texonom.com/mathematician-87ea1dce11e14674bfaf14cb01b120c6)| |[Math Conundrum](https://texonom.com/math-conundrum-9a29596d6c7c4be89b886235e0779721)| |[Math Term](https://texonom.com/math-term-e075c74435fd4a35b2c8db3206b32c06)| |[Math Animation](https://texonom.com/math-animation-9b268541e7f147c695f3d79aa89d2db3)| |[Math Notation](https://texonom.com/math-notation-6b674b56b03f4532869b78ed48bceee3)| > [The Biggest Project in Modern Mathematics](https://youtu.be/_bJeKUosqoY)

2731da9546944e7bb9455cedddd0f87f

Philosophy of science

Science Subjects

Sep 2, 2023

Alan Jo

Sep 2, 2023

### Philosophy of science Notion |Title| |:-:| |[Demarcation problem](https://texonom.com/demarcation-problem-2440ffd9f52a49efb9dec4b776b01b5e)| > [Philosophy of science](https://en.wikipedia.org/wiki/Philosophy_of_science)

201ce17bcaa24d7093235f3dbeb32815

Physics

Science Subjects

Nov 5, 2019

Alan Jo

Seong-lae Cho

Apr 22, 2023

[Geometry](https://texonom.com/geometry-ef4e590e8ccd4ad8842ae51217d4dda1)

사랑과 정의도 생명 이전에는 존재하지 않았다 더 근본적인 건 개념보다 물질과 그를 이루는 규칙들 ### Physics Meta |Title| |:-:| |[Physics Field](https://texonom.com/physics-field-067210a7610a41b2a5cde7d2c2d2e62b)| |[Cosmology](https://texonom.com/cosmology-38c9540fe6e54b91b9aeceb33ccaf385)| |[Physics History](https://texonom.com/physics-history-8ad8f3a2bc7a4ddebe98254c940e534d)| |[Physicist](https://texonom.com/physicist-498c932c41ba493abaab2d75cb1333bd)| |[Physics Conference](https://texonom.com/physics-conference-1a90f296fc8e4242851140bd287680a1)| |[Physics Term](https://texonom.com/physics-term-f5a396443a094e4eb94401f76090b085)| |[Physics Problems](https://texonom.com/physics-problems-1a03fdee9ebc4c1d9fd5a15ec43ce51e)| > The important thing is not to stop questioning - Albert Einstein - > [Belgian-Dutch child prodigy gets bachelor's degree in physics at age 11: "Immortality is my goal"](https://www.psychnewsdaily.com/belgian-dutch-child-prodigy-gets-bachelors-degree-in-physics-at-age-11-immortality-is-my-goal/?utm_source=tldrnewsletter) > [Untitled](http://mshardware.com/news/researchers-develop-intelligent-transistors-uses-85-percent-fewer-transistors)

87291fb49a7841b285a9fdaa286db0ee

AI Chemistry

Chemistry Fields

Apr 30, 2023

Alan Jo

May 30, 2023

42786ae5188c442b87ebec588ca59ffd

Crypstallography

Chemistry Fields

Mar 17, 2022

Alan Jo

Jun 18, 2022

### Crypstallography Notion |Title| |:-:| |[Edge Dislocation](https://texonom.com/edge-dislocation-3edb97d2bca84d698a011bde43007e77)| |[Line Defect](https://texonom.com/line-defect-b49e9f2956624e8bab90793c287151ee)| 비대칭 불규칙 준물질 > [무한하지만 반복되지 않는 패턴 (펜로즈 타일)](https://youtu.be/lkms0YlFVAw)

c865a02a2918434699b1bf659cb40780

Molecular Property Prediction

AI Chemistry Usages

May 30, 2023

Alan Jo

May 30, 2023

[GNN](https://texonom.com/gnn-58adb81cb2b649d9af19019182960bb2)

### Molecular Property Prediction Tools |Title| |:-:| |[DeepChem](https://texonom.com/deepchem-7be7d4cc0e2b423d95ee5e5b7ae0805f)| > [Papers with Code - Molecular Property Prediction](https://paperswithcode.com/task/molecular-property-prediction)

df7f81212e9c43af9f3e630cb6200106

DeepChem

Molecular Property Prediction Tools

Apr 30, 2023

Alan Jo

Jul 11, 2023

Drug discovewr quantum chemisry [deepchem](https://github.com/deepchem/deepchem)

7be7d4cc0e2b423d95ee5e5b7ae0805f

Edge Dislocation

Crypstallography Notion

Dec 24, 2019

Alan Jo

Mar 17, 2022

3edb97d2bca84d698a011bde43007e77

Line Defect

Crypstallography Notion

Mar 17, 2022

Alan Jo

Mar 17, 2022

b49e9f2956624e8bab90793c287151ee

Acid Base

Chemistry Topics

Aug 17, 2021

Alan Jo

Aug 18, 2021

da86a681608f4ed2aa397408c6ec4f7b

Chemical Equation

Chemistry Topics

Nov 5, 2019

Alan Jo

Seong-lae Cho

Jun 25, 2023

### Tip - 질량/분자량 비 = 계수비 - 계수 x 분자량비 = 질량비 - 계수비 = 부피비 (기체끼리) ### 종류 > > [금속반응 화학식](https://texonom.com/1dde21740bb049deb7d63d4269b667b6) > > > [산화물 반응](https://texonom.com/e5c46efde8ca44828f8488b39b1a2889) > > > [탄산염 반응](https://texonom.com/d36d5fa42b3a4193a0777e8245b86261) > > > [탄소화합물 반응](https://texonom.com/2b871bb664104909aa0159eb0e9ce68c) >

9e2b57038a5d4612ad8e8f0b0e004fec

Compound

Chemistry Topics

Feb 17, 2022

Alan Jo

Jun 25, 2023

cb7ce9afef3e4fb59037bf4e74cdc54d

Distillation

Chemistry Topics

Mar 12, 2021

Alan Jo

Aug 17, 2021

증류 상대휘발도의 차이를 이용하여 액체 상태의 혼합물을 분리하는 방법

9639497c9a1346ff8d356ec29f5b6813

Ligand

Chemistry Topics

Apr 28, 2023

Alan Jo

Apr 28, 2023

**배위결합하고 있는 화합물의 중심금속 이온의 주위에 결합하고 있는 분자나 이온**

f4d5d25e208449ddbebb4eeff3d8d070

브뤤스테드

Acid Base Notion

Nov 5, 2019

Alan Jo

Seong-lae Cho

Aug 17, 2021

짝항 항상 존재 - 산소 주면 받는놈 있지

015b58d0e8164371b8568fb766eb5d50

루이스

Acid Base Notion

Nov 5, 2019

Alan Jo

Seong-lae Cho

Aug 17, 2021

짝항 항상 존재 - 전자쌍주면 받는놈 있지

6a5c860de18d4d0099e3c260fb70dd48

금속반응 화학식

Chemical Equation

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## 2b/a = 금속의 가수 > ### 1가 - a : b = 2 : 1 > ### 2가 - a : b = 2 : 2 > ### 3가 - a : b = 2 : 3 - 좌 2개중 1개를 조금씩 집어넣는 식으로 반응 진행' - 수용액에서 이온수가 조건이나 결과로 활용 # 금속과 산의 반응 $$aM(Metal) + 2bHA(Acid) → bH_2+ aMA_{2b/a}(Salt) $$ $$2H^+ + 2e^- → H^2$$ - A 기체는 발생하지 않는다 수소가 약해서 대신 산화되기 때문 # 금속과 물의 반응 $$aM(Metal) + 2bH_2O → bH_2+ aM(OH)_{2b/a}(Hydroxide) $$ $$2H_2O+ 2e^- → H^2 + 2OH^-$$ - 이온수 항상 증가

1dde21740bb049deb7d63d4269b667b6

탄소화합물 반응

Chemical Equation

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cho → co2 + h2o 질량비 12m + n + 16l 44m : 9n

2b871bb664104909aa0159eb0e9ce68c

기체반응

Chemical Equation

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aA2 + bB2 → cC2

759baf026f1d4143b2203e9cedfc064b

탄산염 반응

Chemical Equation

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중화반응임 탄산염 + 산 → CO2 + h2o + 염 탄산염 → co2 + 산화물

d36d5fa42b3a4193a0777e8245b86261

산화물 반응

Chemical Equation

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금속 + ㅐ2 → 금속산화물 전이원소 빼고 비금속 + ㅐ2 → 비금속 산호물 +co or co2 플루오린 빼고

e5c46efde8ca44828f8488b39b1a2889

Mineral Compound

Compounds

Feb 17, 2022

Alan Jo

Feb 17, 2022

8f39cdcbe63d42779d910c578f864a0c

Organic Compound

Compounds

Feb 17, 2022

Alan Jo

Jun 25, 2023

3e5660b7cdd14ae0a9c6a68f797209e4