Commit 2020-07-28 02:35 865e8887

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chore(*): make sure definitions don't generate s x, s : set _ (#3591) Fix the following definitions: subtype.fintype, pfun.dom, pfun.as_subtype, pfun.equiv_subtype.

Estimated changes

Modified src/data/fintype/basic.lean

Modified src/data/pfun.lean

modified def pfun.as_subtype

modified def pfun.dom

Modified src/data/set/basic.lean

modified theorem subtype.coe_image_subset

added theorem subtype.coe_preimage_self

Modified src/data/set/countable.lean

Modified src/data/set/lattice.lean

Modified src/linear_algebra/basic.lean

modified theorem submodule.mem_span_singleton_self