Theorem LinearMap.isIdempotentElem_iff_eq_projection_range_ker

Modification history

2026-05-05 16:21
Mathlib/LinearAlgebra/Projection.lean
chore(LinearAlgebra/Projection): rename `Submodule.linearProjOfIsCompl` to `Submodule.projectionOnto` (#38956) …
Added LinearMap.isIdempotentElem_iff_eq_projection_range_kerView on Github →