Lean 4 programming language and theorem prover

Lean 3's obsolete mathematical components library: please use mathlib4

Cosette is an automated SQL solver.

Ongoing Lean formalisation of the proof of Fermat's Last Theorem

Lean 3 material for Kevin Buzzard's 2021 TCC courrse on formalising mathematics. Lean 4 version available here: https://github.com/ImperialCollegeLondon/formalising-mathematics-2024

Lean Library currently studying for a degree at Imperial College

💧 Liquid Tensor Experiment

blueprint for prime number theorem and more

Source code for the Mathematics in Lean tutorial.

Lean 3 material for Kevin Buzzard's Jan-Mar 2022 course on formalising mathematics. Lean 4 version available here: https://github.com/ImperialCollegeLondon/formalising-mathematics-2024

A formal consistency proof of Quine's set theory New Foundations

A formalized proof of Carleson's theorem in Lean

Proof in Lean of Fermat Last Theorem for exponent 3

Some topos theory in Lean