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 e. _V
Assertion	predasetexOLD	|- Pred ( R , A , X ) e. _V

Proof

Step	Hyp	Ref	Expression
1		predasetexOLD.1	|- A e. _V
2		predexg	|- ( A e. _V -> Pred ( R , A , X ) e. _V )
3	1 2	ax-mp	|- Pred ( R , A , X ) e. _V