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Theorem set.mem_preimage_eq

Modification history

2019-07-04 10:24
src/data/set/basic.lean
chore(data/set): set.mem_preimage_eq becomes an iff (#1174) …
Deleted set.mem_preimage_eqView on Github →
2017-08-02 22:32
data/set/basic.lean
refactor(data/set/basic,*): vimage -> preimage, add notation
Added set.mem_preimage_eqView on Github →