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Def pfun.mem_preimage

Modification history

2019-09-20 03:28
src/data/pfun.lean
chore(data/pfun): run `#sanity_check` (#1463)
Deleted pfun.mem_preimageView on Github →
2019-02-08 09:28
src/data/pfun.lean
feat(data/pfun): add restrict, preimage, core, etc.
Added pfun.mem_preimageView on Github →