Theorem 3rp

Description: 3 is a positive real. (Contributed by Glauco Siliprandi, 11-Dec-2019)

	Ref	Expression
Assertion	3rp	⊢ 3 ∈ ℝ+

Proof

Step	Hyp	Ref	Expression
1		3re	⊢ 3 ∈ ℝ
2		3pos	⊢ 0 < 3
3	1 2	elrpii	⊢ 3 ∈ ℝ+