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Theorem set.preimage_inl_range_inr

Modification history

2022-12-07 20:30
src/data/set/basic.lean
refactor(data/set/basic): move image, preimage, and range to a new file (#17842) …
Modified set.preimage_inl_range_inrView on Github →
2020-11-27 15:35
src/data/set/basic.lean
feat(topology/separation): Adds t2_space instances for disjoint unions (sums and sigma types). (#5113)
Added set.preimage_inl_range_inrView on Github →