Theorem Submodule.isIdempotentElem_subtype_comp_linearProjOfIsCompl

Modification history

2025-07-28 23:36

Mathlib/LinearAlgebra/Projection.lean

feat(LinearAlgebra/Projection): define `Submodule.IsCompl.projection` (#27369) …

Deleted Submodule.isIdempotentElem_subtype_comp_linearProjOfIsCompl View on Github →

2025-07-27 15:47

Mathlib/LinearAlgebra/Projection.lean

feat(LinearAlgebra/Projection): lemmas on projections and invariant submodules (#25874) …

Added Submodule.isIdempotentElem_subtype_comp_linearProjOfIsCompl View on Github →