Theorem qsex

Description: A quotient set exists. (Contributed by NM, 14-Aug-1995)

	Ref	Expression
Hypothesis	qsex.1	$$⊢A\in \mathrm{V}$$
Assertion	qsex	$$⊢A/R\in \mathrm{V}$$

Proof

Step	Hyp	Ref	Expression
1		qsex.1	$$⊢A\in \mathrm{V}$$
2		qsexg	$$⊢A\in \mathrm{V}\to A/R\in \mathrm{V}$$
3	1 2	ax-mp	$$⊢A/R\in \mathrm{V}$$