Subtraction on $\nats$

Example · High school

Terms

Term	This example	Why
binary operation	✗	Subtraction is not a binary operation on $\nats$, because $3 - 5$ is not in $\nats$ (it is one on $\mathbb{Z}$).
relation	✗	Subtraction is not a relation, because “$5 - 3$” is not true or false.

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