x = 00001111000011110000111100001111000011110000111100001111000011110000 reduce(or, x) = 1 reduce(nor, x) = 0 reduce(xor, x) = 0 reduce(nxor, x) = 1 reduce(and, x) = 0 reduce(nand, x) = 1 Sum of reductions of x = 3 exit 3