Deterministic context-free languages are closed under complementation (Hopcroft and Ullman). ~ Kaan Taskin, Tobias Nipkow. isa-afp.org/entries/DPDA... #IsabelleHOL #ITP
Deterministic Context-Free Languages are Closed Under Complementation (Hopcroft and Ullman)
Deterministic Context-Free Languages are Closed Under Complementation (Hopcroft and Ullman) in the Archive of Formal Proofs
isa-afp.org
September 25, 2026 at 7:49 AM
Deterministic context-free languages are closed under complementation (Hopcroft and Ullman). ~ Kaan Taskin, Tobias Nipkow. isa-afp.org/entries/DPDA... #IsabelleHOL #ITP
"Why don't you use dependent types?" ~ Lawrence Paulson. lawrencecpaulson.github.io//2025/11/02/... #ITP #Automath #LCF #IsabelleHOL #LeanProver #TypeTheory
November 2, 2025 at 5:26 PM
"Why don't you use dependent types?" ~ Lawrence Paulson. lawrencecpaulson.github.io//2025/11/02/... #ITP #Automath #LCF #IsabelleHOL #LeanProver #TypeTheory
Readings shared: 21-27 September, 2026. jaalonso.github.io/vestigium/po... #AI4Maht #Agda #ITP #IsabelleHOL #LeanProver #LogicProgramming #Math #Prolog #RocqProver
Readings shared September 28, 2026
The readings shared in Mastodon on 28 September 2026 are:
A formalization at large (Laver function in Lean). ~ Leheng Chen, Bin Dong, Jiedong Jiang, Zhiyuan Zhang. #LeanProver #ITP #Math
Formalizatio
jaalonso.github.io
September 28, 2026 at 7:06 AM
Readings shared: 21-27 September, 2026. jaalonso.github.io/vestigium/po... #AI4Maht #Agda #ITP #IsabelleHOL #LeanProver #LogicProgramming #Math #Prolog #RocqProver
Work bounds for strongly joinable balanced binary search trees (in Isabelle/HOL). ~ Marco Haucke. isa-afp.org/entries/Join... #IsabelleHOL #ITP
Work Bounds for Strongly Joinable Balanced Binary Search Trees
Work Bounds for Strongly Joinable Balanced Binary Search Trees in the Archive of Formal Proofs
isa-afp.org
September 25, 2026 at 7:48 AM
Work bounds for strongly joinable balanced binary search trees (in Isabelle/HOL). ~ Marco Haucke. isa-afp.org/entries/Join... #IsabelleHOL #ITP
Why is it all in the kernel? ~ Lawrence Paulson. lawrencecpaulson.github.io/2026/07/30/C... #ITP #LeanProver #IsabelleHOL #RocqProver
July 31, 2026 at 7:07 AM
Why is it all in the kernel? ~ Lawrence Paulson. lawrencecpaulson.github.io/2026/07/30/C... #ITP #LeanProver #IsabelleHOL #RocqProver
Isabelle: the last 40 years (and the next). ~ Lawrence Paulson. youtu.be/nEf-WVtpEek #IsabelleHOL #ITP
Isabelle 40 Years
YouTube video by Lawrence Paulson
youtu.be
August 7, 2026 at 9:54 AM
Isabelle: the last 40 years (and the next). ~ Lawrence Paulson. youtu.be/nEf-WVtpEek #IsabelleHOL #ITP
A formalisation of a special case of the union-closed conjecture in Isabelle/HOL. ~ Angeliki Koutsoukou-Argyraki, Lawrence C. Paulson. arxiv.org/abs/2609.208... #IsabelleHOL #ITP
A Formalisation of a Special Case of the Union-Closed Conjecture in Isabelle/HOL
A 2021 proof of a special case of the Union-Closed Conjecture, by Aaronson, Ellis and Leader, has been formalised in the proof assistant Isabelle/HOL. Our discussion involves sketching their proof and...
arxiv.org
September 25, 2026 at 7:19 AM
A formalisation of a special case of the union-closed conjecture in Isabelle/HOL. ~ Angeliki Koutsoukou-Argyraki, Lawrence C. Paulson. arxiv.org/abs/2609.208... #IsabelleHOL #ITP
Most proofs are trivial. ~ Lawrence Paulson. lawrencecpaulson.github.io/2025/10/15/P... #Math #ITP #IsabelleHOL
October 16, 2025 at 12:24 PM
Most proofs are trivial. ~ Lawrence Paulson. lawrencecpaulson.github.io/2025/10/15/P... #Math #ITP #IsabelleHOL
Deep embedding of intuitionistic linear logic. ~ Filip Smola, Jacques D. Fleuriot. www.isa-afp.org/entries/ILL.... #ITP #IsabelleHOL #Logic #Math
November 29, 2024 at 7:05 AM
Deep embedding of intuitionistic linear logic. ~ Filip Smola, Jacques D. Fleuriot. www.isa-afp.org/entries/ILL.... #ITP #IsabelleHOL #Logic #Math
The Rogers–Ramanujan identities (in Isabelle/HOL). ~ Manuel Eberl. www.isa-afp.org/entries/Roge... #ITP #IsabelleHOL #Math
The Rogers–Ramanujan Identities
www.isa-afp.org
January 25, 2025 at 1:08 PM
The Rogers–Ramanujan identities (in Isabelle/HOL). ~ Manuel Eberl. www.isa-afp.org/entries/Roge... #ITP #IsabelleHOL #Math
Verified QBF solving in Isabelle/HOL: a trustworthy baseline for mechanised quantified boolean reasoning. ~ Axel Bergström, Tjark Weber. fmcad.org/FMCAD26/vstt... #IsabelleHOL #ITP
September 25, 2026 at 7:33 AM
Verified QBF solving in Isabelle/HOL: a trustworthy baseline for mechanised quantified boolean reasoning. ~ Axel Bergström, Tjark Weber. fmcad.org/FMCAD26/vstt... #IsabelleHOL #ITP
Readings shared June 29, 2025. jaalonso.github.io/vestigium/po... #AI #FunctionalProgramming #Haskell #ITP #Idris #IsabelleHOL #LLMs #LeanProver #Logic #LogicProgramming #Math #Maxima #Prolog #Rocq
Readings shared June 29, 2025
The readings shared in Bluesky on 29 June 2025 are
Constructing the Lie algebra of smooth vector fields on a Lie group in Isabelle/HOL. ~ Richard Schmoetten, Jacques D. Fleuriot. #ITP #IsabelleHOL #M
jaalonso.github.io
June 30, 2025 at 5:57 AM
Readings shared June 29, 2025. jaalonso.github.io/vestigium/po... #AI #FunctionalProgramming #Haskell #ITP #Idris #IsabelleHOL #LLMs #LeanProver #Logic #LogicProgramming #Math #Maxima #Prolog #Rocq
Computer algebra and the formalisation of new mathematics. ~ Lawrence Paulson. youtu.be/HeQKT6OeIX4 #ITP #IsabelleHOL #Math
Lawrence Paulson: Computer Algebra and the Formalisation of New Mathematics (21 Nov 2024)
YouTube video by Formalisation of Mathematics Seminar @ Cam
youtu.be
January 22, 2025 at 10:09 AM
Computer algebra and the formalisation of new mathematics. ~ Lawrence Paulson. youtu.be/HeQKT6OeIX4 #ITP #IsabelleHOL #Math
Functional data structures and algorithms: A proof assistant approach. ~ Tobias Nipkow (Ed.) alioh.com/docs/functio... #ITP #IsabelleHOL #FunctionalProgramming #Algorithms
October 4, 2025 at 3:39 PM
Functional data structures and algorithms: A proof assistant approach. ~ Tobias Nipkow (Ed.) alioh.com/docs/functio... #ITP #IsabelleHOL #FunctionalProgramming #Algorithms
Definite integrals, I: easy cases over finite intervals. ~ Lawrence Paulson. lawrencecpaulson.github.io/2025/08/14/I... #ITP #IsabelleHOL #Math
Definite integrals, I: easy cases over finite intervals
lawrencecpaulson.github.io
August 15, 2025 at 11:43 AM
Definite integrals, I: easy cases over finite intervals. ~ Lawrence Paulson. lawrencecpaulson.github.io/2025/08/14/I... #ITP #IsabelleHOL #Math
Negatively associated random variables (in Isabelle/HOL). ~ Emin Karayel. www.isa-afp.org/entries/Nega... #ITP #IsabelleHOL #Math
Negatively Associated Random Variables
www.isa-afp.org
January 21, 2025 at 8:00 AM
Negatively associated random variables (in Isabelle/HOL). ~ Emin Karayel. www.isa-afp.org/entries/Nega... #ITP #IsabelleHOL #Math
(Extended) interval analysis (in Isabelle/HOL). ~ Achim D. Brucker & Amy Stell. www.isa-afp.org/entries/Inte... #ITP #IsabelleHOL #Math
(Extended) Interval Analysis
www.isa-afp.org
January 23, 2024 at 7:59 AM
(Extended) interval analysis (in Isabelle/HOL). ~ Achim D. Brucker & Amy Stell. www.isa-afp.org/entries/Inte... #ITP #IsabelleHOL #Math
Gödel's incompleteness theorems (in Isabelle/HOL). ~ Lawrence C. Paulson, with Janis Bailitis. www.isa-afp.org/entries/Inco... #ITP #IsabelleHOL #Logic #Math
Gödel's Incompleteness Theorems
Gödel's Incompleteness Theorems in the Archive of Formal Proofs
www.isa-afp.org
July 19, 2025 at 7:13 AM
Gödel's incompleteness theorems (in Isabelle/HOL). ~ Lawrence C. Paulson, with Janis Bailitis. www.isa-afp.org/entries/Inco... #ITP #IsabelleHOL #Logic #Math
Readings shared: 14-20 September, 2026. jaalonso.github.io/vestigium/po... #AI #AI4Math #Emacs #FunctionalProgramming #Haskell #ITP #IsabelleHOL #LeanProver #Math #RocqProver
Readings shared September 21, 2026
The readings shared in Mastodon on 21 September 2026 are:
A machine-checked proof of the Dong-Yang classification of optimal (n,4) binary codes for BSCs. ~ Shenghao Yang, Yanyan Dong. #LeanProver #IT
jaalonso.github.io
September 21, 2026 at 7:28 AM
Readings shared: 14-20 September, 2026. jaalonso.github.io/vestigium/po... #AI #AI4Math #Emacs #FunctionalProgramming #Haskell #ITP #IsabelleHOL #LeanProver #Math #RocqProver
Notes on Gödel’s and Scott’s variants of the ontological argument (Isabelle/HOL dataset). ~ Christoph Benzmüller. www.isa-afp.org/entries/Note... #ITP #IsabelleHOL
January 8, 2025 at 7:27 AM
Notes on Gödel’s and Scott’s variants of the ontological argument (Isabelle/HOL dataset). ~ Christoph Benzmüller. www.isa-afp.org/entries/Note... #ITP #IsabelleHOL
Isomorphic transfer infrastructure for nested types in Isabelle/HOL (Work in progress). ~ Gergely Buday, Andrei Popescu. ceur-ws.org/Vol-3860/pap... #ITP #IsabelleHOL
December 11, 2024 at 7:51 AM
Isomorphic transfer infrastructure for nested types in Isabelle/HOL (Work in progress). ~ Gergely Buday, Andrei Popescu. ceur-ws.org/Vol-3860/pap... #ITP #IsabelleHOL
A trickier lower bound proof. ~ Lawrence Paulson. lawrencecpaulson.github.io/2025/03/19/T... #ITP #IsabelleHOL #Math
March 19, 2025 at 7:43 PM
A trickier lower bound proof. ~ Lawrence Paulson. lawrencecpaulson.github.io/2025/03/19/T... #ITP #IsabelleHOL #Math
Formally verified binary-level pointer analysis. ~ Freek Verbeek, Ali Shokri, Daniel Engel, Binoy Ravindran. arxiv.org/abs/2501.17766 #ITP #IsabelleHOL
Formally Verified Binary-level Pointer Analysis
Binary-level pointer analysis can be of use in symbolic execution, testing, verification, and decompilation of software binaries. In various such contexts, it is crucial that the result is trustworthy...
arxiv.org
February 1, 2025 at 7:18 AM
Formally verified binary-level pointer analysis. ~ Freek Verbeek, Ali Shokri, Daniel Engel, Binoy Ravindran. arxiv.org/abs/2501.17766 #ITP #IsabelleHOL
Wlog – Without loss of generality (in Isabelle/HOL). ~ Dominique Unruh. www.isa-afp.org/browser_info... #ITP #IsabelleHOL
September 23, 2024 at 10:01 AM
Wlog – Without loss of generality (in Isabelle/HOL). ~ Dominique Unruh. www.isa-afp.org/browser_info... #ITP #IsabelleHOL
Readings shared December 19, 2024. jaalonso.github.io/vestigium/po... #ITP #IsabelleHOL #Mizar #Logic #Math #Haskell #FunctionalProgramming #LLMs
December 20, 2024 at 6:27 AM
Readings shared December 19, 2024. jaalonso.github.io/vestigium/po... #ITP #IsabelleHOL #Mizar #Logic #Math #Haskell #FunctionalProgramming #LLMs