Corpus formal_theorem canonical 2026-05-27T20:53:50+00:00
Corpus v3 · Formal theorem cid005385FTH0123canonicalv1

abcd_roundtrip_12 (theorem)

/-- [II.T42] The ABCD chart round-trips for specific values (verified computationally). to_tau_idx(from_tau_idx(x)) = x. The general statement is verified by abcd_roundtrip_check via native_decide. -/

Formalization

lean_axiom_freesorries: 0project axioms: 0
  • ModuleTauLib.BookII.CentralTheorem.Categoricity
  • Declarationabcd_roundtrip_12
  • Lean toolchainleanprover/lean4:v4.x.x

Identifiers

  • Corpus ID cid005385
  • Primary alias FTH0123
  • Type Formal theorem
  • Status canonical
  • Visibility public
  • Version v1

Aliases & legacy IDs

abcd_roundtrip_12abcd-roundtrip-12TauLib.BookII.CentralTheorem.Categoricity::abcd_roundtrip_12

Release lines

corpus_v2corpus_v3_working

Version & History

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

Status disclaimer

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