It depends, many people do count 0 as a natural number, but MOST do not.
So for most HS text book, the answer is NO, all whole numbers are not natural numbers and the reason is 0 is a whole number but not a natural number.
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false -apex life
That depends - unfortunately, "whole number" is ambiguous, and can mean different things to different people. If by "whole number" you mean "natural number", then both are of course the same. If you choose to include negative numbers in your definition of "whole number", i.e., whole numbers = integers, then the two sets are not the same, and the proposed statement is false.
That's false.
true
It is true.