Corpus formal_theorem canonical 2026-05-27T20:53:50+00:00
Corpus v3 · Formal theorem cid005967FTH0702canonicalv1

neg_neg_char (theorem)

/-- [III.D11] Structural: character negation is an involution. -/

Formalization

lean_axiom_freesorries: 0project axioms: 0
  • ModuleTauLib.BookIII.Sectors.BoundaryCharacters
  • Declarationneg_neg_char
  • Lean toolchainleanprover/lean4:v4.x.x

Identifiers

  • Corpus ID cid005967
  • Primary alias FTH0702
  • Type Formal theorem
  • Status canonical
  • Visibility public
  • Version v1

Aliases & legacy IDs

neg_neg_charneg-neg-charTauLib.BookIII.Sectors.BoundaryCharacters::neg_neg_char

Release lines

corpus_v2corpus_v3_working

Version & History

  • v1 · 2026-05-10 imported from v2 taulib declarations

Status disclaimer

A Corpus Item page reports the program's current internal record for this item. It does not imply external verification, scientific consensus, or final proof unless explicitly stated. Read it together with its dependencies, formalization status, and the program's overall stance.

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