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Theorem subsingleton.is_open

Modification history

2020-04-02 19:25
src/topology/basic.lean
fix(tactic/lint): simp_nf: do not ignore errors (#2266) …
Deleted subsingleton.is_openView on Github →
2020-03-25 15:44
src/topology/basic.lean
feat(*): a few more theorems about `unique` and `subsingleton` (#2230) …
Added subsingleton.is_openView on Github →