Theorem nnq

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

	Ref	Expression
Assertion	nnq	⊢ ( 𝐴 ∈ ℕ → 𝐴 ∈ ℚ )

Proof

Step	Hyp	Ref	Expression
1		nnssq	⊢ ℕ ⊆ ℚ
2	1	sseli	⊢ ( 𝐴 ∈ ℕ → 𝐴 ∈ ℚ )