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Theorem ideal.map_span

Modification history

2022-06-23 20:16
src/ring_theory/ideal/operations.lean
refactor(ring_theory): generalize basic API of `ring_hom` to `ring_hom_class` (#14756) …
Modified ideal.map_spanView on Github →
2021-09-08 12:15
src/ring_theory/ideal/operations.lean
feat(ring_theory): `map f (span s) = span (f '' s)` (#9068) …
Added ideal.map_spanView on Github →