True. All natural numbers N are integers Z, but not all integers are natural numbers.
Natural numbers:
- Natural numbers starts from zero to infinity are all positive.
- All the natural numbers are whole numbers.
- It is denoted by N
- The set of natural numbers are N = 1,2,3, ...
Integers:
- Integers are the whole numbers that contain positive numbers, zero and negative numbers
- It is denoted by Z
- The set of integers are Z = ... ,-3,-2,-1,0,1,2,3, ...
Since natural numbers are all positive, N is positive integers but not all integers are natural numbers.
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