Function that returns the matrix with a row deleted
(Nth-Domain Matrix-Less-Row 3 Matrix) (Nth-Domain Matrix-Less-Row 1 Matrix) (<=> (Matrix-Less-Row ?A ?I ?B) (And (Matrix ?A) (Defined (Row ?A ?I)) (Matrix ?B) (= (Row-Dimension ?B) (- (Row-Dimension ?A) 1)) (= (Column-Dimension ?B) (Column-Dimension ?A)) (Forall (?K ?L) (=> (Defined (Value ?B ?K ?L)) (=> (< ?K ?I) (= (Value ?B ?K ?L) (Value ?A ?K ?L))) (=> (>= ?K ?I) (= (Value ?B ?K ?L) (Value ?A (+ ?K 1) ?L)))))))