diff --git a/LibAutomaton/matrix.c b/LibAutomaton/matrix.c
index b04fa3a..6d4847e 100644
--- a/LibAutomaton/matrix.c
+++ b/LibAutomaton/matrix.c
@@ -317,7 +317,7 @@ Matrix freeMatrix(Matrix matrix){
 	return matrix;
 }
 
-Matrix sumMatrix(Matrix matrix1,Matrix matrix2){
+Matrix opMatrix(Matrix matrix1,Matrix matrix2,bool (operator)(bool, bool)){
 	Matrix SumMatrix = CreateMatrix();
 	int i =0;
 	int j = 0;
@@ -326,7 +326,7 @@ Matrix sumMatrix(Matrix matrix1,Matrix matrix2){
 		SumMatrix = SetMatrixDim(SumMatrix,matrix2.colCount,matrix1.rowCount);
 		for (i=0;i<SumMatrix.colCount;i++){
 			for (j=0;j<SumMatrix.rowCount;j++){
-				SetCellValue(SumMatrix,i,j,GetCellValue(matrix1,i,j)+GetCellValue(matrix2,i,j));
+				SetCellValue(SumMatrix,i,j,operator(GetCellValue(matrix1,i,j),GetCellValue(matrix2,i,j)));
 				
 				}
 		}
@@ -341,6 +341,15 @@ Matrix sumMatrix(Matrix matrix1,Matrix matrix2){
 	
 }
 
+Matrix sumMatrix(Matrix matrix1,Matrix matrix2){
+	opMatrix(matrix1,matrix2,OR);
+}
+
+Matrix mulMatrix(Matrix matrix1,Matrix matrix2){
+	opMatrix(matrix1,matrix2,AND);
+}
+
+
 Matrix colSequenceOnMatrix(Matrix m, bool (operator)(bool, bool)){
 	bool a;
 	bool b;