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OK, so now item 24 on this list of 100 theorems http://www.cs.ru.nl/~freek/100/ has an *unconditional* formal proof: https://github.com/flypitch/flypitch/releases/tag/2.0 … You can read about it in this paper: https://github.com/flypitch/flypitch-itp-2019/releases/tag/1.1 …
#LeanProver -
I'm teaching algebraic geometry this term. Today is lecture one and I'm going to talk about why the union of two algebraic sets is an algebraic set. I'm formalising the proof in
#Leanprover ! My Lean repository is hosted on github at https://github.com/ImperialCollegeLondon/M4P33 …@ImperialMaths -
woo-hoo, done the first problem sheet question for my course using
#leanprover : https://github.com/ImperialCollegeLondon/M4P33/blob/01b3d6985742c3dc6c28dc1f847fb704ddd9f5a1/problem_sheets/sheet_1/question_1.lean#L16 … -
Futuristic Mathematics: Computer-based Theorem Verification, Computer-based proof assistance: https://mathoverflow.net/questions/311071/which-mathematical-definitions-should-be-formalised-in-lean …
#LeanProver (great overview with many useful links and context!) -
repeat {rw pow_zero}, ring,
#leanprover@MSFTResearch The natural number game. http://tinyurl.com/natgame1234 -
In my alg geom course I prove V(I(V(S)))=V(S), for S a subset of k[X_1,X_2,...,X_n] and V and I the usual functions in the theory of affine alg varieties. I abstracted it and turned it into a new Lean maths challenge http://tinyurl.com/LeanMathsChallenges …
#leanprover -
Flypitch project paper, accepted to CPP (Certified Programs and Proofs) 2020 https://flypitch.github.io/assets/flypitch-cpp.pdf …
#Leanprover -
I've finished updating Lean for Hackers for tonight: https://agentultra.github.io/lean-for-hackers … Follow along and you'll learn how to setup Lean and dive right into "Hello, world!" and "Hello, ${name}". This is a guide for hackers so I skip the theory and get straight to it.
#LeanProver -
A review of the Lean theorem prover. ~ Thomas Hales. https://jiggerwit.wordpress.com/2018/09/18/a-review-of-the-lean-theorem-prover/ …
#ITP#LeanProver -
I watched Kevin Buzzard talking about LEAN
#leanprover and CoCalc@cocalc_com today at Microsoft Research.@XenaProjectpic.twitter.com/52l5B6fefq
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Updated the hackers' guide to Lean with a guessing game example: https://agentultra.github.io/lean-for-hackers/ …
#LeanProver -
Asked by
@boarders__ : if you could take a sabbatical just to formalize (say in#leanprover) the basics of any field of math, which would it be and why? -
> Who among us has never been wrong about something “obvious”?
#leanprover -
Xena project: formalising math starting from the undergrad curriculum. https://xenaproject.wordpress.com/what-is-the-xena-project/ …
#leanprover#xenaproject#math#computerassistedproofs -
Beyond notations: Hygienic macro expansion for theorem proving languages. ~ Sebastian Ullrich, Leonardo de Moura. https://arxiv.org/abs/2001.10490
#ITP#LeanProver -
French pop-science article about the efforts of Woodin towards a resolution of the CH https://www.pourlascience.fr/sd/mathematiques/en-finir-avec-lhypothese-du-continu-17963.php … h/t Patrick Massot in the
#Leanprover chat. -
Come and talk about it on the natural number game thread in the new members stream at the
#leanprover chat at Zulip https://leanprover.zulipchat.com . Someone there will be able to tell what is and isn't easy right now. -
Resumen de lecturas compartidas del 25 al 31 de enero de 2020. https://www.glc.us.es/~jalonso/vestigium/resumen-de-lecturas-compartidas-del-25-al-31-de-enero-de-2020/ …
#ITP#Agda#Coq#HOL_LIght#Idris#IsabelleHOL#LeanProver#FunctionalProgramming#Haskell -
@pruvisto@derKha I'm on the way to the Hausdorff center@HCM_Bonn for the#leanprover / ForTheL weekender :-) See you there!
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