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Theorem
local_equiv.is_image.left_inv_on_piecewise
Modification history
2021-03-18 23:42
src/data/equiv/local_equiv.lean
feat(data/equiv/local_equiv): define `piecewise` and `disjoint_union` (#6700) …
Added
local_equiv.is_image.left_inv_on_piecewise
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