Theorem rpex

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

	Ref	Expression
Assertion	rpex	$$⊢{ℝ}^{+}\in \mathrm{V}$$

Proof

Step	Hyp	Ref	Expression
1		reex	$$⊢ℝ\in \mathrm{V}$$
2		rpssre	$$⊢{ℝ}^{+}\subseteq ℝ$$
3	1 2	ssexi	$$⊢{ℝ}^{+}\in \mathrm{V}$$