fact: Definition entrywise {X : UU} (n m : nat) (op : binop X) : binop (Matrix X n m) := λ mat1 mat2 i, pointwise _ op (mat1 i) (mat2 i).
imports: UniMath.Foundations.PartA UniMath.MoreFoundations.PartA UniMath.Combinatorics.FiniteSequences UniMath.Algebra.BinaryOperations UniMath.Algebra.IteratedBinaryOperations UniMath.Algebra.RigsAndRings