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Theorem is_open_inter_union_inter_compl'

Modification history

2021-03-06 21:16
src/topology/continuous_on.lean
feat(data/set/basic): add `set.set_ite` (#6557) …
Deleted is_open_inter_union_inter_compl'View on Github →
2021-02-13 09:47
src/topology/continuous_on.lean
refactor(topology/{basic,continuous_on}): review `continuous_if` etc (#6182) …
Added is_open_inter_union_inter_compl'View on Github →