machine-checked-proofs

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Abraxas1010 / penumbra-lean

Penumbra: Machine-checked proof that every non-Boolean projection through a nucleus produces a universal, irreducible information gap. 162 files, 1,486 declarations, zero sorry. Lean 4 + Mathlib.

information-theory theorem-proving formal-verification mathematical-physics lean4 heyting-algebra machine-checked-proofs nucleus-operator

Updated Mar 17, 2026
Lean

Abraxas1010 / varela-reentry-nucleus

Star

Varela Re-Entry Nucleus: Machine-checked formalization of self-referential re-entry as an honest Heyting algebra nucleus bridge. 11 Lean 4 modules, 972 lines, zero sorry.

nucleus formal-verification re-entry self-reference lean4 varela laws-of-form heyting-algebra eigenform machine-checked-proofs kauffman

Updated Mar 26, 2026
Lean

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