Corpus formal_theorem canonical 2026-05-27T20:53:50+00:00
Corpus v3 · Formal theorem cid005352FTH0090canonicalv1

product_universal (theorem)

/-- [I.T26] Product universal property: if R maps to both P and Q pointwise, then R maps to P × Q. -/

Formalization

lean_axiom_freesorries: 0project axioms: 0
  • ModuleTauLib.BookI.Topos.CartesianProduct
  • Declarationproduct_universal
  • Lean toolchainleanprover/lean4:v4.x.x

Identifiers

  • Corpus ID cid005352
  • Primary alias FTH0090
  • Type Formal theorem
  • Status canonical
  • Visibility public
  • Version v1

Aliases & legacy IDs

product_universalproduct-universalTauLib.BookI.Topos.CartesianProduct::product_universal

Release lines

corpus_v2corpus_v3_working

Version & History

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

Status disclaimer

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