How to logically understand the multiplication of two integers ?
3 x 4 = 12 (is understandable)
-3 x4 = -12 (is also somewhat understandable)
But , 3 x -4 = -12 (is NOT understandable)
-3 x -4 = 12 (is also NOT understandable)
Now , at this we must assume that commutative property may not be true .
What is the logical explanation for something being multiplied negative times ?