Corpus formal_theorem canonical 2026-05-27T20:53:50+00:00
Corpus v3 · Formal theorem cid005322FTH0060canonicalv1

forget_fiber (theorem)

/-- The key information-loss theorem: forget loses exactly the B/N distinction. Two values have the same forget image iff they agree on "B-sector truth". -/

Formalization

lean_axiom_freesorries: 0project axioms: 0
  • ModuleTauLib.BookI.Logic.BooleanRecovery
  • Declarationforget_fiber
  • Lean toolchainleanprover/lean4:v4.x.x

Identifiers

  • Corpus ID cid005322
  • Primary alias FTH0060
  • Type Formal theorem
  • Status canonical
  • Visibility public
  • Version v1

Aliases & legacy IDs

forget_fiberforget-fiberTauLib.BookI.Logic.BooleanRecovery::forget_fiber

Release lines

corpus_v2corpus_v3_working

Version & History

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

Status disclaimer

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