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Theorem ring_hom.cancel_left

Modification history

2022-05-17 13:06
src/algebra/hom/ring.lean
split(algebra/hom/ring): Split off `algebra.ring.basic` (#14144) …
Modified ring_hom.cancel_leftView on Github →
2020-07-06 05:41
src/algebra/ring.lean
refactor(algebra/inj_surj): more lemmas, move to files, rename (#3290) …
Modified ring_hom.cancel_leftView on Github →
2020-03-09 21:54
src/algebra/ring.lean
feat(algebra/group/hom): cancel injective/surjective `monoid_hom`s (#2112) …
Added ring_hom.cancel_leftView on Github →