Theorem MonoidAlgebra.span_isGroupLikeElem

Modification history

2026-07-28 19:54
Mathlib/RingTheory/Bialgebra/MonoidAlgebra.lean
feat(RingTheory): bialgebra homs `R[G] → R[H]` are in bijection with group homs `G → H` (#41995) …
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