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Theorem or32 686
Description: A rearrangement of disjuncts. (Contributed by NM, 18-Oct-1995.) (Proof shortened by Andrew Salmon, 26-Jun-2011.)
Assertion
Ref Expression
or32

Proof of Theorem or32
StepHypRef Expression
1 orass 683 . 2
2 or12 682 . 2
3 orcom 646 . 2
41, 2, 33bitri 195 1
Colors of variables: wff set class
Syntax hints:   wb 98   wo 628
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-io 629
This theorem depends on definitions:  df-bi 110
This theorem is referenced by:  xrnepnf  8470
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