Mathlib v3 is deprecated. Go to Mathlib v4

Theorem is_open.closure_inter'

Modification history

2022-10-12 13:05
src/topology/basic.lean
feat(topology/basic): add `is_closed.interior_union` and `is_closed.interior_union'` (#16599) …
Deleted is_open.closure_inter'View on Github →
2022-09-23 04:37
src/topology/basic.lean
chore(topology/basic): rename lemmas (#16598) …
Added is_open.closure_inter'View on Github →