Theorem 3exp2 1227

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 1226	1 |- ( ph -> ( ps -> ( ch -> ( th -> ta ) ) ) )

Syntax hints:   -> wi 4   /\ wa 104   /\ w3a 980

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 982

This theorem is referenced by:  3anassrs  1231  po2nr  4344  fliftfund  5844  tfrlemibxssdm  6385  tfr1onlembxssdm  6401  tfrcllembxssdm  6414  grpinveu  13170  grpid  13171  grpasscan1  13195  imasgrp2  13240  imasrng  13512  imasring  13620  islmodd  13849  islssmd  13915  mulgghm2  14164  isxmetd  14583  dvidlemap  14927  dvidrelem  14928  dvidsslem  14929