Mathlib v3 is deprecated. Go to Mathlib v4

Theorem set.eq_on.inter_preimage_eq

Modification history

2021-03-09 21:43
src/data/set/function.lean
chore(data/equiv/local_equiv,topology/local_homeomorph): put `source`/`target` to the left in `∩` (#6583)
Added set.eq_on.inter_preimage_eqView on Github →