Theorem imaexd

Description: The image of a set is a set. Deduction version of imaexg . (Contributed by Thierry Arnoux, 14-Feb-2025)

	Ref	Expression
Hypothesis	rnexd.1	|- ( ph -> A e. V )
Assertion	imaexd	|- ( ph -> ( A " B ) e. _V )

Proof

Step	Hyp	Ref	Expression
1		rnexd.1	|- ( ph -> A e. V )
2		imaexg	|- ( A e. V -> ( A " B ) e. _V )
3	1 2	syl	|- ( ph -> ( A " B ) e. _V )