Theorem bj-con2comi 32549

Description: Inference associated with bj-con2com 32548. Its associated inference is mt2 191. TODO: when in the main part, add to mt2 191 that it is the inference associated with bj-con2comi 32549. (Contributed by BJ, 19-Mar-2020.)

Hypothesis

Ref	Expression
bj-con2comi.1	|- ph

Assertion

Ref	Expression
bj-con2comi	|- ( ( ps -> -. ph ) -> -. ps )

Proof of Theorem bj-con2comi

Step	Hyp	Ref	Expression
1		bj-con2comi.1	. 2 |- ph
2		bj-con2com 32548	. 2 |- ( ph -> ( ( ps -> -. ph ) -> -. ps ) )
3	1, 2	ax-mp 5	1 |- ( ( ps -> -. ph ) -> -. ps )

Syntax hints:   -. wn 3   -> wi 4

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8

This theorem is referenced by: (None)