Theorem AddMonoidAlgebra.counitAlgHom_comp_mapRingHom

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) …
Added AddMonoidAlgebra.counitAlgHom_comp_mapRingHomView on Github →