Corpus formal_theorem canonical 2026-05-27T20:53:50+00:00
Corpus v3 · Formal theorem cid005671FTH0409canonicalv1

preyoneda_id_tower_coherent (theorem)

/-- [II.D50] Formal proof: the pre-Yoneda embedding of the identity function is tower-coherent. preyoneda(id, x, k) = reduce(x, k), so tower coherence reduces to reduce(reduce(x, k+1), k) = reduce(x, k), which is reduction_compat. -/

Formalization

lean_axiom_freesorries: 0project axioms: 0
  • ModuleTauLib.BookII.Regularity.PreYoneda
  • Declarationpreyoneda_id_tower_coherent
  • Lean toolchainleanprover/lean4:v4.x.x

Identifiers

  • Corpus ID cid005671
  • Primary alias FTH0409
  • Type Formal theorem
  • Status canonical
  • Visibility public
  • Version v1

Aliases & legacy IDs

preyoneda_id_tower_coherentpreyoneda-id-tower-coherentTauLib.BookII.Regularity.PreYoneda::preyoneda_id_tower_coherent

Release lines

corpus_v2corpus_v3_working

Version & History

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

Status disclaimer

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