com4r - Intuitionistic Logic Explorer

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Theorem com4r 86

Description: Commutation of antecedents. Rotate right. (Contributed by NM, 25-Apr-1994.)

**Hypothesis**
Ref	Expression
com4.1

**Assertion**
Ref	Expression
com4r

**Proof of Theorem com4r**
Step	Hyp	Ref	Expression
1		com4.1	. . 3
2	1	com4t 85	. 2
3	2	com4l 84	1

Colors of variables: wff set class

This proof depends on syntax axioms:

wi 4

This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7

This theorem is used by: com15 93 3expd 1255 tfrlem9 6590 nndi 6759 fiintim 7238 mulcanpig 7702 mulgnnass 13960 fiinopn 15105