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Theorem expl 601
Description: Export a wff from a left conjunct. (Contributed by Jeff Hankins, 28-Aug-2009.)
Hypothesis
Ref Expression
expl.1
Assertion
Ref Expression
expl

Proof of Theorem expl
StepHypRef Expression
1 expl.1 . . 3
21exp31 587 . 2
32imp3a 420 1
Colors of variables: wff setvar class
Syntax hints:   wi 4   wa 358
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 177  df-an 360
This theorem is referenced by: (None)
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