Use braces and digits to indicate the set of whole numbers

Whole numbers are numbers without decimal points greater than or equal to 0.

The set of whole numbers is:

In the introductory part of this solution, I stated that:

This means that the following numbers are whole numbers:

1, 9, 10, 67

While the following numbers are not:

-1, 9.0, 1.0, -67

Let W be the set of whole numbers; the set is:

The dots after 4 means the set still continues

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