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Theorem 3an6 1262
Description: Analog of an4 797 for triple conjunction. (Contributed by Scott Fenton, 16-Mar-2011.) (Proof shortened by Andrew Salmon, 25-May-2011.)
Assertion
Ref Expression
3an6

Proof of Theorem 3an6
StepHypRef Expression
1 an6 1261 . 2
21bicomi 193 1
Colors of variables: wff setvar class
Syntax hints:   wb 176   wa 358   w3a 934
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  df-3an 936
This theorem is referenced by:  sfin112  4529  sfinltfin  4535
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