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Theorem 3anim3i 1155
Description: Add two conjuncts to antecedent and consequent. (Contributed by Jeff Hankins, 19-Aug-2009.)
Hypothesis
Ref Expression
3animi.1 (𝜑𝜓)
Assertion
Ref Expression
3anim3i ((𝜒𝜃𝜑) → (𝜒𝜃𝜓))

Proof of Theorem 3anim3i
StepHypRef Expression
1 id 22 . 2 (𝜒𝜒)
2 id 22 . 2 (𝜃𝜃)
3 3animi.1 . 2 (𝜑𝜓)
41, 2, 33anim123i 1152 1 ((𝜒𝜃𝜑) → (𝜒𝜃𝜓))
Colors of variables: wff setvar class
Syntax hints:  wi 4  w3a 1088
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 206  df-an 398  df-3an 1090
This theorem is referenced by:  syl3an3  1166  syl3anl3  1415  syl3anr3  1419  elioo4g  13384  ssnn0fi  13950  tmdcn2  23593  axcont  28234  numclwwlk3  29638  minvecolem3  30129  bnj556  33911  bnj557  33912  bnj1145  34004  btwnconn1lem4  35062  btwnconn1lem5  35063  btwnconn1lem6  35064  bj-ceqsalt  35766  bj-ceqsaltv  35767
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