Theorem rpex

Description: The positive reals form a set. (Contributed by Glauco Siliprandi, 11-Oct-2020)

	Ref	Expression
Assertion	rpex	⊢ ℝ+ ∈ V

Proof

Step	Hyp	Ref	Expression
1		reex	⊢ ℝ ∈ V
2		rpssre	⊢ ℝ+ ⊆ ℝ
3	1 2	ssexi	⊢ ℝ+ ∈ V