Theorem Ordinal.cof_ne_zero

Modification history

2026-08-31 13:50
Mathlib/SetTheory/Cardinal/Cofinality/Ordinal.lean
chore: delete deprecated declarations from February 2026 (#43178) …
Deleted Ordinal.cof_ne_zeroView on Github →
2023-02-24 13:27
Mathlib/SetTheory/Cardinal/Cofinality.lean
feat port: SetTheory.Cardinal.Cofinality (#2479)
Added Ordinal.cof_ne_zeroView on Github →