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Theorem pm3.2 434
Description: Join antecedents with conjunction. Theorem *3.2 of [WhiteheadRussell] p. 111. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen, 12-Nov-2012.)
Assertion
Ref Expression
pm3.2

Proof of Theorem pm3.2
StepHypRef Expression
1 id 19 . 2
21ex 423 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:  pm3.21  435  pm3.2i  441  pm3.43i  442  ibar  490  jca  518  jcad  519  ancl  529  pm3.2an3  1131  19.29  1596  r19.26  2746  r19.29  2754  difrab  3529
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