Theorem bnj240

Description: /\ -manipulation. (Contributed by Jonathan Ben-Naim, 3-Jun-2011) (New usage is discouraged.)

	Ref	Expression
Hypotheses	bnj240.1	No typesetting found for |- ( ps -> ps' ) with typecode |-
	bnj240.2	No typesetting found for |- ( ch -> ch' ) with typecode |-
Assertion	bnj240	Could not format assertion : No typesetting found for |- ( ( ph /\ ps /\ ch ) -> ( ps' /\ ch' ) ) with typecode |-

Proof

Step	Hyp	Ref	Expression
1		bnj240.1	Could not format ( ps -> ps' ) : No typesetting found for |- ( ps -> ps' ) with typecode |-
2		bnj240.2	Could not format ( ch -> ch' ) : No typesetting found for |- ( ch -> ch' ) with typecode |-
3	1	3ad2ant1	Could not format ( ( ps /\ ch /\ ph ) -> ps' ) : No typesetting found for |- ( ( ps /\ ch /\ ph ) -> ps' ) with typecode |-
4	2	3ad2ant2	Could not format ( ( ps /\ ch /\ ph ) -> ch' ) : No typesetting found for |- ( ( ps /\ ch /\ ph ) -> ch' ) with typecode |-
5	3 4	jca	Could not format ( ( ps /\ ch /\ ph ) -> ( ps' /\ ch' ) ) : No typesetting found for |- ( ( ps /\ ch /\ ph ) -> ( ps' /\ ch' ) ) with typecode |-
6	5	3comr	Could not format ( ( ph /\ ps /\ ch ) -> ( ps' /\ ch' ) ) : No typesetting found for |- ( ( ph /\ ps /\ ch ) -> ( ps' /\ ch' ) ) with typecode |-