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Def equiv.pempty_equiv_pempty

Modification history

2022-06-09 05:43
src/logic/equiv/basic.lean
feat(logic/equiv/basic): two empty types are equivalent; remove various redundant lemmas (#14604) …
Deleted equiv.pempty_equiv_pemptyView on Github →
2018-08-30 13:27
data/equiv/basic.lean
feat(logic/basic): introduce pempty
Added equiv.pempty_equiv_pemptyView on Github →