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Theorem con3and 428
Description: Variant of con3d 125 with importation. (Contributed by Jonathan Ben-Naim, 3-Jun-2011.)
Hypothesis
Ref Expression
con3and.1
Assertion
Ref Expression
con3and

Proof of Theorem con3and
StepHypRef Expression
1 con3and.1 . . 3
21con3d 125 . 2
32imp 418 1
Colors of variables: wff setvar class
Syntax hints:   wn 3   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:  ax12olem1  1927  nelneq  2451  nelneq2  2452
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