The product of natural numbers is defined as follows :
to. b = a + a +. . . + A (b times)
If a, b, c, three natural numbers, then satisfy the following properties:
OPERATION INTERNAL
If a and b are natural numbers, c is a natural number.
-ASSOCIATIVE
to. (B. C) = (a. B). c
- SWITCHING
to. b = b. to
-NEUTRAL ELEMENT.
to. 1 = 1. to
-DISTRIBUTION
(a + b). c = a. c + b. c
to ZERO. 0 = 0
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