proposition: Lemma matrix_mult_eq {m n p} (mat1 : Matrix R m n) (mat2 : Matrix R n p) : mat1 ** mat2 = matrix_mult_unf mat1 mat2.
proof: Proof. reflexivity. Defined.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.Combinatorics.StandardFiniteSets UniMath.Combinatorics.Vectors UniMath.Algebra.RigsAndRings UniMath.Algebra.IteratedBinaryOperations UniMath.Algebra.Matrix UniMath.Algebra.Domains_and_Fields UniMath.Algebra.GaussianElimination.Auxiliary UniMath.Algebra.GaussianElimination.Vectors