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Theorem set.image_preimage_inl_union_image_preimage_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.image_preimage_inl_union_image_preimage_inrView on Github →
2022-10-05 21:07
src/data/set/basic.lean
feat(topology/locally_finite): add lemmas about `option _` and `sum _ _` (#15923)
Added set.image_preimage_inl_union_image_preimage_inrView on Github →