public String functionFromKmap(int nbrVar) {
		boolean truthTable[] = new boolean[kmap.getRow() * kmap.getColumn()];
		for (int i = 0; i < kmap.getRow(); i++) {
			for (int j = 0; j < kmap.getColumn(); j++)
				truthTable[kmap.getCellAdress(i, j)] = kmap.getCellValue(i, j);
		}
		String func = getFunctionFromTruthTable(truthTable, nbrVar);
		return func;

	}