Mathlib v3 is deprecated. Go to Mathlib v4

Theorem cardinal.eq_zero_of_is_empty

Modification history

2021-10-14 05:36
src/set_theory/cardinal.lean
chore(set_theory/cardinal): rename `is_empty`/`nonempty` lemmas (#9668) …
Deleted cardinal.eq_zero_of_is_emptyView on Github →
2021-09-18 02:27
src/set_theory/cardinal.lean
chore(set_theory/cardinal): use notation `#`, add notation `ω` (#9217) …
Modified cardinal.eq_zero_of_is_emptyView on Github →
2021-07-01 16:37
src/set_theory/cardinal.lean
feat(logic/is_empty): add some simp lemmas and unique instances (#7832) …
Added cardinal.eq_zero_of_is_emptyView on Github →