Theorem Subalgebra.mul_self

Modification history

2025-01-21 01:06
Mathlib/Algebra/Algebra/Subalgebra/Pointwise.lean
refactor(LinearAlgebra/Projection): Use IsIdempotentElem (#20665) …
Deleted Subalgebra.mul_selfView on Github →
2023-03-15 22:32
Mathlib/Algebra/Algebra/Subalgebra/Pointwise.lean
feat: port Algebra.Algebra.Subalgebra.Pointwise (#2913)
Added Subalgebra.mul_selfView on Github →