Mathlib v3 is deprecated. Go to Mathlib v4

Theorem subsemiring.ext

Modification history

2021-03-30 14:01
src/ring_theory/subsemiring.lean
feat(data/set_like): remove repeated boilerplate from subobjects (#6768) …
Modified subsemiring.extView on Github →
2020-07-08 14:31
src/ring_theory/subsemiring.lean
chore(*): use is_algebra_tower instead of algebra.comap and generalize some constructions to semirings (#3299) …
Modified subsemiring.extView on Github →
2020-05-29 06:50
src/ring_theory/subsemiring.lean
feat(ring_theory): define subsemirings (#2837) …
Added subsemiring.extView on Github →