Theorem Cardinal.toENat_eq_iff_of_le_aleph0

Modification history

2024-12-01 00:08
Mathlib/SetTheory/Cardinal/ENat.lean
feat: introduce ENat.card, and use it in place of PartENat.card (#19624)
Added Cardinal.toENat_eq_iff_of_le_aleph0View on Github →