Theorem Submodule.isIdempotentElem_projection

Modification history

2026-05-05 16:21

Mathlib/LinearAlgebra/Projection.lean

chore(LinearAlgebra/Projection): rename `Submodule.linearProjOfIsCompl` to `Submodule.projectionOnto` (#38956) …

Added Submodule.isIdempotentElem_projection View on Github →