Theorem 9rp

Description: 9 is a positive real. (Contributed by SN, 26-Aug-2025)

	Ref	Expression
Assertion	9rp	$$⊢9\in {ℝ}^{+}$$

Proof

Step	Hyp	Ref	Expression
1		9re	$$⊢9\in ℝ$$
2		9pos	$$⊢0<9$$
3	1 2	elrpii	$$⊢9\in {ℝ}^{+}$$