Theorem HopfAlgebra.sum_antipode_mul_eq_smul

Modification history

2026-06-02 12:40
Mathlib/RingTheory/HopfAlgebra/Basic.lean
refactor(RingTheory/Coalgebra): make the indexing type of `Repr` an argument (#40055) …
Modified HopfAlgebra.sum_antipode_mul_eq_smulView on Github →
2025-08-13 21:32
Mathlib/RingTheory/HopfAlgebra/Basic.lean
feat: `counit (antipode a) = counit a` (#25267) …
Modified HopfAlgebra.sum_antipode_mul_eq_smulView on Github →
2024-08-06 05:13
Mathlib/RingTheory/HopfAlgebra.lean
feat(RingTheory/Coalgebra/*): add basics about sweedler notation (#12109) …
Added HopfAlgebra.sum_antipode_mul_eq_smulView on Github →