leanprover / lean4
Lean 4 programming language and theorem prover
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Lean 4 programming language and theorem prover
The math library of Lean 4
The "batteries included" extended library for the Lean programming language and theorem prover
Helper toolkit for creating your own Lean 4 UserWidgets
White-box automation for Lean 4
Intuitive, type-safe expression quotations for Lean 4.
Lean 3's obsolete mathematical components library: please use mathlib4
Ongoing Lean formalisation of the proof of Fermat's Last Theorem