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Theorem 3exp2 1256
Description: Exportation from right triple conjunction. (Contributed by NM, 26-Oct-2006.)
Hypothesis
Ref Expression
3exp2.1 ((𝜑 ∧ (𝜓𝜒𝜃)) → 𝜏)
Assertion
Ref Expression
3exp2 (𝜑 → (𝜓 → (𝜒 → (𝜃𝜏))))

Proof of Theorem 3exp2
StepHypRef Expression
1 3exp2.1 . . 3 ((𝜑 ∧ (𝜓𝜒𝜃)) → 𝜏)
21ex 115 . 2 (𝜑 → ((𝜓𝜒𝜃) → 𝜏))
323expd 1255 1 (𝜑 → (𝜓 → (𝜒 → (𝜃𝜏))))
Colors of variables:    wff set class
This proof depends on syntax axioms:  wi 4  wa 104  w3a 1009
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This proof depends on definitions:  df-bi 117  df-3an 1011
This theorem is used by:  3anassrs  1260  po2nr  4454  fliftfund  6003  tfrlemibxssdm  6598  tfr1onlembxssdm  6614  tfrcllembxssdm  6627  imasmnd2  13759  grpinveu  13843  grpid  13844  grpasscan1  13868  imasgrp2  13913  imasrng  14255  imasring  14369  islmodd  14629  islssmd  14696  mulgghm2  14943  isxmetd  15448  dvidlemap  15792  dvidrelem  15793  dvidsslem  15794
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