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Theorem subsemiring.mem_closure_iff_exists_list

Modification history

2021-06-07 15:40
src/ring_theory/subsemiring.lean
feat(algebra/ring/basic): define non-unital, non-associative rings (#6786) …
Modified subsemiring.mem_closure_iff_exists_listView 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) …
Added subsemiring.mem_closure_iff_exists_listView on Github →