Theorem LinearMap.isProj_iff_idempotent

Modification history

2025-01-21 01:06
Mathlib/LinearAlgebra/Projection.lean
refactor(LinearAlgebra/Projection): Use IsIdempotentElem (#20665) …
Deleted LinearMap.isProj_iff_idempotentView on Github →
2023-02-22 13:01
Mathlib/LinearAlgebra/Projection.lean
feat: port LinearAlgebra.Projection (#2431)
Added LinearMap.isProj_iff_idempotentView on Github →