fact: Definition back_sub_internal { n : nat } (mat : Matrix F n n) (x : Vector F n) (b : Vector F n) (sep : ⟦ S n ⟧%stn) (row : ⟦ S n ⟧%stn) : Vector F n.
imports: UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Nat UniMath.MoreFoundations.Tactics UniMath.Algebra.Matrix UniMath.Algebra.Domains_and_Fields UniMath.Algebra.Matrix UniMath.Algebra.RigsAndRings UniMath.Algebra.IteratedBinaryOperations UniMath.Algebra.GaussianElimination.Auxiliary UniMath.Algebra.GaussianElimination.Vectors UniMath.Algebra.GaussianElimination.Matrices UniMath.Algebra.GaussianElimination.Elimination