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Theorem tfrlemibacc 6273
Description: Each element of  B is an acceptable function. Lemma for tfrlemi1 6279. (Contributed by Jim Kingdon, 14-Mar-2019.) (Proof shortened by Mario Carneiro, 24-May-2019.)
Hypotheses
Ref Expression
tfrlemisucfn.1  |-  A  =  { f  |  E. x  e.  On  (
f  Fn  x  /\  A. y  e.  x  ( f `  y )  =  ( F `  ( f  |`  y
) ) ) }
tfrlemisucfn.2  |-  ( ph  ->  A. x ( Fun 
F  /\  ( F `  x )  e.  _V ) )
tfrlemi1.3  |-  B  =  { h  |  E. z  e.  x  E. g ( g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `
 g ) >. } ) ) }
tfrlemi1.4  |-  ( ph  ->  x  e.  On )
tfrlemi1.5  |-  ( ph  ->  A. z  e.  x  E. g ( g  Fn  z  /\  A. w  e.  z  ( g `  w )  =  ( F `  ( g  |`  w ) ) ) )
Assertion
Ref Expression
tfrlemibacc  |-  ( ph  ->  B  C_  A )
Distinct variable groups:    f, g, h, w, x, y, z, A    f, F, g, h, w, x, y, z    ph, w, y    w, B, f, g, h, z    ph, g, h, z
Allowed substitution hints:    ph( x, f)    B( x, y)

Proof of Theorem tfrlemibacc
StepHypRef Expression
1 tfrlemi1.3 . 2  |-  B  =  { h  |  E. z  e.  x  E. g ( g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `
 g ) >. } ) ) }
2 simpr3 990 . . . . . . 7  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  h  =  ( g  u.  { <. z ,  ( F `  g ) >. } ) )
3 tfrlemisucfn.1 . . . . . . . 8  |-  A  =  { f  |  E. x  e.  On  (
f  Fn  x  /\  A. y  e.  x  ( f `  y )  =  ( F `  ( f  |`  y
) ) ) }
4 tfrlemisucfn.2 . . . . . . . . 9  |-  ( ph  ->  A. x ( Fun 
F  /\  ( F `  x )  e.  _V ) )
54ad2antrr 480 . . . . . . . 8  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  A. x ( Fun 
F  /\  ( F `  x )  e.  _V ) )
6 tfrlemi1.4 . . . . . . . . . 10  |-  ( ph  ->  x  e.  On )
76ad2antrr 480 . . . . . . . . 9  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  x  e.  On )
8 simplr 520 . . . . . . . . 9  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  z  e.  x
)
9 onelon 4344 . . . . . . . . 9  |-  ( ( x  e.  On  /\  z  e.  x )  ->  z  e.  On )
107, 8, 9syl2anc 409 . . . . . . . 8  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  z  e.  On )
11 simpr1 988 . . . . . . . 8  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  g  Fn  z
)
12 simpr2 989 . . . . . . . 8  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  g  e.  A
)
133, 5, 10, 11, 12tfrlemisucaccv 6272 . . . . . . 7  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  ( g  u. 
{ <. z ,  ( F `  g )
>. } )  e.  A
)
142, 13eqeltrd 2234 . . . . . 6  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  h  e.  A
)
1514ex 114 . . . . 5  |-  ( (
ph  /\  z  e.  x )  ->  (
( g  Fn  z  /\  g  e.  A  /\  h  =  (
g  u.  { <. z ,  ( F `  g ) >. } ) )  ->  h  e.  A ) )
1615exlimdv 1799 . . . 4  |-  ( (
ph  /\  z  e.  x )  ->  ( E. g ( g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `
 g ) >. } ) )  ->  h  e.  A )
)
1716rexlimdva 2574 . . 3  |-  ( ph  ->  ( E. z  e.  x  E. g ( g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) )  ->  h  e.  A )
)
1817abssdv 3202 . 2  |-  ( ph  ->  { h  |  E. z  e.  x  E. g ( g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `
 g ) >. } ) ) } 
C_  A )
191, 18eqsstrid 3174 1  |-  ( ph  ->  B  C_  A )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 103    /\ w3a 963   A.wal 1333    = wceq 1335   E.wex 1472    e. wcel 2128   {cab 2143   A.wral 2435   E.wrex 2436   _Vcvv 2712    u. cun 3100    C_ wss 3102   {csn 3560   <.cop 3563   Oncon0 4323    |` cres 4588   Fun wfun 5164    Fn wfn 5165   ` cfv 5170
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 604  ax-in2 605  ax-io 699  ax-5 1427  ax-7 1428  ax-gen 1429  ax-ie1 1473  ax-ie2 1474  ax-8 1484  ax-10 1485  ax-11 1486  ax-i12 1487  ax-bndl 1489  ax-4 1490  ax-17 1506  ax-i9 1510  ax-ial 1514  ax-i5r 1515  ax-13 2130  ax-14 2131  ax-ext 2139  ax-sep 4082  ax-pow 4135  ax-pr 4169  ax-un 4393  ax-setind 4496
This theorem depends on definitions:  df-bi 116  df-3an 965  df-tru 1338  df-fal 1341  df-nf 1441  df-sb 1743  df-eu 2009  df-mo 2010  df-clab 2144  df-cleq 2150  df-clel 2153  df-nfc 2288  df-ne 2328  df-ral 2440  df-rex 2441  df-v 2714  df-sbc 2938  df-dif 3104  df-un 3106  df-in 3108  df-ss 3115  df-nul 3395  df-pw 3545  df-sn 3566  df-pr 3567  df-op 3569  df-uni 3773  df-br 3966  df-opab 4026  df-tr 4063  df-id 4253  df-iord 4326  df-on 4328  df-suc 4331  df-xp 4592  df-rel 4593  df-cnv 4594  df-co 4595  df-dm 4596  df-res 4598  df-iota 5135  df-fun 5172  df-fn 5173  df-fv 5178
This theorem is referenced by:  tfrlemibfn  6275  tfrlemiubacc  6277
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