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Theorem 3expib 1230
Description: Exportation from triple conjunction. (Contributed by NM, 19-May-2007.)
Hypothesis
Ref Expression
3exp.1 ((𝜑𝜓𝜒) → 𝜃)
Assertion
Ref Expression
3expib (𝜑 → ((𝜓𝜒) → 𝜃))

Proof of Theorem 3expib
StepHypRef Expression
1 3exp.1 . . 3 ((𝜑𝜓𝜒) → 𝜃)
213exp 1226 . 2 (𝜑 → (𝜓 → (𝜒𝜃)))
32impd 254 1 (𝜑 → ((𝜓𝜒) → 𝜃))
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104  w3a 1002
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This theorem depends on definitions:  df-bi 117  df-3an 1004
This theorem is referenced by:  3anidm12  1329  mob  2986  eqbrrdva  4898  funimaexglem  5410  fco  5497  f1oiso2  5963  caovimo  6211  smoel2  6464  nnaword  6674  3ecoptocl  6788  rex2dom  6991  sbthlemi10  7159  distrnq0  7672  addassnq0  7675  prcdnql  7697  prcunqu  7698  genpdisj  7736  cauappcvgprlemrnd  7863  caucvgprlemrnd  7886  caucvgprprlemrnd  7914  nn0n0n1ge2b  9552  fzind  9588  icoshft  10218  fzen  10271  seq3coll  11099  shftuz  11371  mulgcd  12580  algcvga  12616  lcmneg  12639  isnmgm  13436  gsummgmpropd  13470  issgrpd  13488  iscmnd  13878  unitmulclb  14121  rmodislmodlem  14357  rmodislmod  14358  blssps  15144  blss  15145  metcnp3  15228  sincosq1sgn  15543  sincosq2sgn  15544  sincosq3sgn  15545  sincosq4sgn  15546  iswlkg  16140
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