Corpus formal_theorem canonical 2026-05-27T20:53:50+00:00
Corpus v3 · Formal theorem cid005341FTH0079canonicalv1

cantor_inapplicable (theorem)

/-- [I.T35] Cantor Diagonal Inapplicability Theorem: No CantorDiagonalApparatus can exist in Category tau. The proof is immediate from any ONE of the three failures: - P34: avoidance contradicts diagonal_def - P35: comprehension contradicts no_russell_set - P36: self-pairing contradicts divisibility at 0 We use P34 (the simplest). The three failures are independent and each individually blocks the diagonal argument. -/

Formalization

lean_axiom_freesorries: 0project axioms: 0
  • ModuleTauLib.BookI.Sets.CantorRefutation
  • Declarationcantor_inapplicable
  • Lean toolchainleanprover/lean4:v4.x.x

Identifiers

  • Corpus ID cid005341
  • Primary alias FTH0079
  • Type Formal theorem
  • Status canonical
  • Visibility public
  • Version v1

Aliases & legacy IDs

cantor_inapplicablecantor-inapplicableTauLib.BookI.Sets.CantorRefutation::cantor_inapplicable

Release lines

corpus_v2corpus_v3_working

Version & History

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

Status disclaimer

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