Theorem bj-nexdh2

Description: Uncurried (imported) form of bj-nexdh . (Contributed by BJ, 6-May-2019)

	Ref	Expression
Assertion	bj-nexdh2	|- ( ( A. x ( ph -> -. ps ) /\ ( ch -> A. x ph ) ) -> ( ch -> -. E. x ps ) )

Proof

Step	Hyp	Ref	Expression
1		bj-nexdh	|- ( A. x ( ph -> -. ps ) -> ( ( ch -> A. x ph ) -> ( ch -> -. E. x ps ) ) )
2	1	imp	|- ( ( A. x ( ph -> -. ps ) /\ ( ch -> A. x ph ) ) -> ( ch -> -. E. x ps ) )