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Metamath Proof Explorer

Theorem nnq

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

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

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