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Mathlib v3 is deprecated.
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Theorem
is_closed.mem_of_nhds_within_ne_bot
Modification history
2019-12-18 09:23
src/topology/continuous_on.lean
refactor(topology/*): use dot notation with `compact`, prove `compact.image` with `continuous_on` (#1809) …
Added
is_closed.mem_of_nhds_within_ne_bot
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