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Def is_closed

Modification history

2021-03-11 13:28
src/topology/basic.lean
refactor(topology): make is_closed a class (#6552) …
Deleted is_closedView on Github →
2020-06-29 19:03
src/topology/basic.lean
chore(*): change notation for `set.compl` (#3212) …
Modified is_closedView on Github →
2017-08-10 16:41
topology/topological_space.lean
rename open -> is_open, closed -> is_closed
Added is_closedView on Github →