Theorems · Theorem · linear algebra

Matrix.IsTotallyUnimodular.submatrix

∀ {m : Type u_1} {m' : Type u_2} {n : Type u_3} {n' : Type u_4} {R : Type u_5} [inst : CommRing R] {A : Matrix m n R}
  (f : m' → m) (g : n' → n), A.IsTotallyUnimodular → (A.submatrix f g).IsTotallyUnimodular

Defined in

Mathlib.LinearAlgebra.Matrix.Determinant.TotallyUnimodular

Cited by

2 results in Mathlib

Foundations

Depth 93 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CommRing