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Theorem preimage_smul_inv

Modification history

2022-05-21 11:38
src/data/set/pointwise.lean
chore(data/set/pointwise): Move into the `set` namespace (#14281) …
Deleted preimage_smul_invView on Github →
2021-09-21 17:41
src/algebra/pointwise.lean
feat(analysis/normed_space/basic): the rescaling of a ball is a ball (#9297) …
Added preimage_smul_invView on Github →