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Theorem set.image_subset_image_iff

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_subset_image_iffView on Github →
2018-09-07 17:30
data/set/basic.lean
refactor(linear_algebra, ring_theory): rework submodules; move them to linear_algebra
Added set.image_subset_image_iffView on Github →