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Theorem 3com13 1190
Description: Commutation in antecedent. Swap 1st and 3rd. (Contributed by NM, 28-Jan-1996.)
Hypothesis
Ref Expression
3exp.1 ((𝜑𝜓𝜒) → 𝜃)
Assertion
Ref Expression
3com13 ((𝜒𝜓𝜑) → 𝜃)

Proof of Theorem 3com13
StepHypRef Expression
1 3anrev 973 . 2 ((𝜒𝜓𝜑) ↔ (𝜑𝜓𝜒))
2 3exp.1 . 2 ((𝜑𝜓𝜒) → 𝜃)
31, 2sylbi 120 1 ((𝜒𝜓𝜑) → 𝜃)
Colors of variables: wff set class
Syntax hints:  wi 4  w3a 963
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107
This theorem depends on definitions:  df-bi 116  df-3an 965
This theorem is referenced by:  3coml  1192  3adant3l  1216  3adant3r  1217  syld3an1  1266  oaword1  6411  nnacan  6452  elmapg  6599  subadd  8061  xrltso  9685  iooshf  9838  dvdsmulc  11696  lcmdvdsb  11941
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