Mathlib Changelog
v4
Changelog
About
Github
Theorem
Set.Finite.equiv_image_eq_iff_subset
Modification history
2023-12-11 22:56
Mathlib/Data/Finite/Card.lean
feat: supporting lemmas for defining root systems (#8980) …
Added
Set.Finite.equiv_image_eq_iff_subset
View on Github →