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theHigherGeometer 20. ruj
OK, so now item 24 on this list of 100 theorems has an *unconditional* formal proof: You can read about it in this paper:
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The Xena Project 13. sij
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 ! My Lean repository is hosted on github at
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Mario Krenn 2. ožu
Futuristic Mathematics: Computer-based Theorem Verification, Computer-based proof assistance: (great overview with many useful links and context!)
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theHigherGeometer 16. kol
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The Xena Project 2. stu
repeat {rw pow_zero}, ring, The natural number game.
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The Xena Project 25. sij
woo-hoo, done the first problem sheet question for my course using :
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The Xena Project 22. sij
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
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J Kenneth King 7. sij
I've finished updating Lean for Hackers for tonight: 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.
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theHigherGeometer 27. stu
Flypitch project paper, accepted to CPP (Certified Programs and Proofs) 2020
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José A. Alonso 3. stu
A review of the Lean theorem prover. ~ Thomas Hales.
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William Stein 6. ruj
I watched Kevin Buzzard talking about LEAN and CoCalc today at Microsoft Research.
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José A. Alonso 2. velj
Beyond notations: Hygienic macro expansion for theorem proving languages. ~ Sebastian Ullrich, Leonardo de Moura.
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J Kenneth King 10. sij
Updated the hackers' guide to Lean with a guessing game example:
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The Xena Project 28. sij
Cambridge maths PhD student Bhavik Mehta has formalised around 1/3 of the Part III (MSc) combinatorics course in . Thorough write-up at . Finite sets are tricky, but this is evidence that the API is now there in Lean.
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Cody 10. pro
Asked by : if you could take a sabbatical just to formalize (say in ) the basics of any field of math, which would it be and why?
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The Xena Project 4. stu
Odgovor korisniku/ci @littmath
> Who among us has never been wrong about something “obvious”?
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mgubi 21. srp
Xena project: formalising math starting from the undergrad curriculum.
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theHigherGeometer 27. ruj
French pop-science article about the efforts of Woodin towards a resolution of the CH h/t Patrick Massot in the chat.
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José A. Alonso 1. velj
Resumen de lecturas compartidas del 25 al 31 de enero de 2020.
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The Xena Project 31. sij
I'm on the way to the Hausdorff center for the / ForTheL weekender :-) See you there!
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