Considering on the number of positive integers, or even count: 1, 2, 3, 4, ... negative: integer-1,-2,-3,-4, ..., and that is not a positive integer and a negative integer.
Considering the number line To see that the numbers are positive integers or 1, 2, 3, 4, ... are negative integers -1, -2, -3, -4, ... and which is not a positive and negative integers.
Considering on the number line. To see the positive integers or counting 1 2 include,,,, 3 4... Negative integer: - 1, - 2 - 3,,, - 4... And zero. This is not a positive integer, and negative integer