Theorem nnq

Description: A positive integer is rational. (Contributed by NM, 17-Nov-2004)

	Ref	Expression
Assertion	nnq	$$⊢A\in \mathbb{N}\to A\in \mathbb{Q}$$

Proof

Step	Hyp	Ref	Expression
1		nnssq	$$⊢\mathbb{N}\subseteq \mathbb{Q}$$
2	1	sseli	$$⊢A\in \mathbb{N}\to A\in \mathbb{Q}$$