natural number in a sentence

Examples

1. I don't understand where boundaries for arithmetic of natural numbers lay.
2. Second-order arithmetic directly formalizes natural numbers and sets of natural numbers.
3. Church numerals are the representations of natural numbers under Church encoding.
4. But this is impossible in the set of natural numbers.
5. Longer line segments are used for integers and natural numbers.
6. PRA cannot explicitly quantify over the domain of natural numbers.
7. Thus the set of the first ten natural numbers is.
8. Rational numbers are constructed by the division of natural numbers.
9. The integers form the smallest ring containing the natural numbers.
10. Let & fnof; be a function on the natural numbers.