Mathlib Changelog
v3
Changelog
About
Github
Mathlib v3 is deprecated.
Go to Mathlib v4
Theorem
set.not_nonempty_iff_eq_empty
Modification history
2020-02-05 06:25
src/data/set/basic.lean
refactor(*): migrate from `≠ ∅` to `set.nonempty` (#1954) …
Added
set.not_nonempty_iff_eq_empty
View on Github →