Corpus formal_theorem canonical 2026-05-27T20:53:50+00:00
Corpus v3 · Formal theorem cid005801FTH0538canonicalv1

ttm_preserves_depth (theorem)

/-- [III.D51] Structural: TTM step preserves depth. -/

Formalization

lean_axiom_freesorries: 0project axioms: 0
  • ModuleTauLib.BookIII.Computation.TowerMachine
  • Declarationttm_preserves_depth
  • Lean toolchainleanprover/lean4:v4.x.x

Identifiers

  • Corpus ID cid005801
  • Primary alias FTH0538
  • Type Formal theorem
  • Status canonical
  • Visibility public
  • Version v1

Aliases & legacy IDs

ttm_preserves_depthttm-preserves-depthTauLib.BookIII.Computation.TowerMachine::ttm_preserves_depth

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.

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