Mathlib v3 is deprecated. Go to Mathlib v4

Theorem part_enat.one_lt_card_iff_nontrivial

Modification history

2023-06-26 11:35
src/set_theory/cardinal/finite.lean
feat(set_theory/cardinal/finite): prove lemmas to handle part_enat.card (#19198) …
Added part_enat.one_lt_card_iff_nontrivialView on Github →