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Theorem set.image_preimage_eq_of_subset

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_eq_of_subsetView on Github →
2019-01-22 16:49
src/data/set/basic.lean
feat(linear_algebra/dimension): more dimension theorems; rank of a linear map
Added set.image_preimage_eq_of_subsetView on Github →