Theorem PartENat.card_le_one_iff_subsingleton

Modification history

2024-12-03 05:50
Mathlib/Deprecated/Cardinal/Finite.lean
chore: complete deprecation of `PartENat.card` (#19648) …
Modified PartENat.card_le_one_iff_subsingletonView on Github →
2023-08-10 19:52
Mathlib/SetTheory/Cardinal/Finite.lean
chore: banish `Type _` and `Sort _` (#6499) …
Modified PartENat.card_le_one_iff_subsingletonView on Github →
2023-06-26 11:36
Mathlib/SetTheory/Cardinal/Finite.lean
feat(SetTheory/Cardinal/Finite): prove lemmas about PartENat.card (#5307) …
Added PartENat.card_le_one_iff_subsingletonView on Github →