Ordinal.cof_univ

Ordinal.univ.{u, v}.cof = Cardinal.univ.{u, v}

Defined in: Mathlib.SetTheory.Cardinal.Cofinality.Ordinal
Cited by: 1 results in Mathlib
Foundations: Depth 89 from the axioms · uses propext, Classical.choice, Quot.sound

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