Theorem predasetexOLD

Description: Obsolete form of predexg as of 27-Oct-2024. (Contributed by Scott Fenton, 8-Feb-2011) (Proof modification is discouraged.) (New usage is discouraged.)

	Ref	Expression
Hypothesis	predasetexOLD.1	$$⊢A\in \mathrm{V}$$
Assertion	predasetexOLD	$$⊢Pred\left(R,A,X\right)\in \mathrm{V}$$

Proof

Step	Hyp	Ref	Expression
1		predasetexOLD.1	$$⊢A\in \mathrm{V}$$
2		predexg	$$⊢A\in \mathrm{V}\to Pred\left(R,A,X\right)\in \mathrm{V}$$
3	1 2	ax-mp	$$⊢Pred\left(R,A,X\right)\in \mathrm{V}$$