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Theorem algebra.span_restrict_scalars_eq_span_of_surjective

Modification history

2023-02-11 10:50
src/algebra/algebra/tower.lean
chore(algebra/algebra/basic): remove a duplicate lemma (#18415) …
Deleted algebra.span_restrict_scalars_eq_span_of_surjectiveView on Github →
2022-03-29 20:37
src/algebra/algebra/tower.lean
feat(algebra/algebra/tower): `span A s = span R s` if `R → A` is surjective (#13042)
Added algebra.span_restrict_scalars_eq_span_of_surjectiveView on Github →