Mathlib Changelog
v4
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Commit
2024-01-11 11:03
c532ace0
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feat: two topology lemmas (
#9624
) From sphere-eversion; I'm just upstreaming it.
Estimated changes
Modified
Mathlib/Topology/Compactness/Compact.lean
added
theorem
Inducing.isCompact_preimage'
added
theorem
Inducing.isCompact_preimage_iff