Corpus formal_theorem canonical 2026-05-27T20:53:50+00:00
Corpus v3 · Formal theorem cid005785FTH0522canonicalv1

ext_detects_unequal (theorem)

/-- [III.D67] Structural: extensionality detects inequality. -/

Formalization

lean_axiom_freesorries: 0project axioms: 0
  • ModuleTauLib.BookIII.Bridge.ZFCasVM
  • Declarationext_detects_unequal
  • Lean toolchainleanprover/lean4:v4.x.x

Identifiers

  • Corpus ID cid005785
  • Primary alias FTH0522
  • Type Formal theorem
  • Status canonical
  • Visibility public
  • Version v1

Aliases & legacy IDs

ext_detects_unequalext-detects-unequalTauLib.BookIII.Bridge.ZFCasVM::ext_detects_unequal

Release lines

corpus_v2corpus_v3_working

Version & History

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

Status disclaimer

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