Question

Which of the following represents a set of integers greater than zero?

{1, 2, 3, 4, 5}

{1, 2, 3, …, 98, 99, 100}

{all positive numbers}

{1, 2, 3, 4, 5, …}

Answer 1

integers consists of positive integers{1,2,3,....} , negative numbers{-1,-2,-3,.....} and {0}
for greater than 0,exclude negative set and 0.
what remains??