Theorem Ordinal.cof_zero

Modification history

2023-08-06 20:21
Mathlib/SetTheory/Cardinal/Cofinality.lean
feat: change definition of natCast in Cardinal to lift #(Fin n) (#6384) …
Modified Ordinal.cof_zeroView on Github →
2023-02-24 13:27
Mathlib/SetTheory/Cardinal/Cofinality.lean
feat port: SetTheory.Cardinal.Cofinality (#2479)
Added Ordinal.cof_zeroView on Github →