Mathlib Changelog
v3
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Mathlib v3 is deprecated.
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Theorem
set.maps_to_singleton
Modification history
2023-01-06 19:49
src/data/set/function.lean
feat(data/set/function): `∘` lemmas (#17819) …
Modified
set.maps_to_singleton
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2021-09-14 04:32
src/data/set/function.lean
feat(topology): one-point compactification of a topological space (#8579) …
Added
set.maps_to_singleton
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