Corpus formal_theorem canonical 2026-05-27T20:53:50+00:00
Corpus v3 · Formal theorem cid005342FTH0080canonicalv1

counting_structural (theorem)

/-- [I.P33] Countability of Obj(tau) as a structural feature: it follows from generative counting (each orbit is counted) plus ontic closure (the universe is a finite union of orbits). The injection TauObj -> Nat witnesses countability. -/

Formalization

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

Identifiers

  • Corpus ID cid005342
  • Primary alias FTH0080
  • Type Formal theorem
  • Status canonical
  • Visibility public
  • Version v1

Aliases & legacy IDs

counting_structuralcounting-structuralTauLib.BookI.Sets.Counting::counting_structural

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.

Save or share this page for inspection

Download a portable dossier, copy a reviewer note, or send this page to someone who can inspect it.

Email to expert