Theorem 3exp2 1252

Description: Exportation from right triple conjunction. (Contributed by NM, 26-Oct-2006.)

Hypothesis

Ref	Expression
3exp2.1	|- ( ( ph /\ ( ps /\ ch /\ th ) ) -> ta )

Assertion

Ref	Expression
3exp2	|- ( ph -> ( ps -> ( ch -> ( th -> ta ) ) ) )

Proof of Theorem 3exp2

Step	Hyp	Ref	Expression
1		3exp2.1	. . 3 |- ( ( ph /\ ( ps /\ ch /\ th ) ) -> ta )
2	1	ex 115	. 2 |- ( ph -> ( ( ps /\ ch /\ th ) -> ta ) )
3	2	3expd 1251	1 |- ( ph -> ( ps -> ( ch -> ( th -> ta ) ) ) )

Syntax hints:   -> wi 4   /\ wa 104   /\ w3a 1005

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 1007

This theorem is referenced by:  3anassrs  1256  po2nr  4435  fliftfund  5976  tfrlemibxssdm  6571  tfr1onlembxssdm  6587  tfrcllembxssdm  6600  imasmnd2  13707  grpinveu  13793  grpid  13794  grpasscan1  13818  imasgrp2  13863  imasrng  14195  imasring  14307  islmodd  14567  islssmd  14633  mulgghm2  14882  isxmetd  15338  dvidlemap  15682  dvidrelem  15683  dvidsslem  15684