mat 2025 Q27X(iii)

mat · Uk Proof Existence Proof
Now we consider infinite sets of whole numbers (for example, the set of all the positive whole numbers). Give examples to demonstrate that an infinitely large set of whole numbers might have zero, exactly one, or more than one target(s). Justify your answers, making it clear which is which.
Now we consider infinite sets of whole numbers (for example, the set of all the positive whole numbers).
Give examples to demonstrate that an infinitely large set of whole numbers might have zero, exactly one, or more than one target(s).
Justify your answers, making it clear which is which.