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Theorem imp55 601
Description: An importation inference. (Contributed by Jeff Hankins, 7-Jul-2009.)
Hypothesis
Ref Expression
imp5.1
Assertion
Ref Expression
imp55

Proof of Theorem imp55
StepHypRef Expression
1 imp5.1 . . 3
21imp4a 589 . 2
32imp42 594 1
Colors of variables: wff setvar class
Syntax hints:  ->wi 4  /\wa 369
This theorem is referenced by:  alexsubALTlem4  20550
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This theorem depends on definitions:  df-bi 185  df-an 371
  Copyright terms: Public domain W3C validator