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Def unique.of_surjective

Modification history

2020-03-25 15:44
src/logic/unique.lean
feat(*): a few more theorems about `unique` and `subsingleton` (#2230) …
Deleted unique.of_surjectiveView on Github →
2019-01-18 19:50
src/logic/unique.lean
feat(logic/basic): add class 'unique' for uniquely inhabited types (#605)
Added unique.of_surjectiveView on Github →