Mathlib v3 is deprecated. Go to Mathlib v4

Theorem mem_nhds_pi

Modification history

2021-11-23 11:49
src/topology/constructions.lean
feat(order/filter/pi): define `filter.pi` and prove some properties (#10323)
Deleted mem_nhds_piView on Github →
2021-08-23 17:55
src/topology/constructions.lean
feat(topology): interior of a finite product of sets (#8695) …
Added mem_nhds_piView on Github →