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Theorem tfrlemibacc 5975
Description: Each element of  B is an acceptable function. Lemma for tfrlemi1 5981. (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 947 . . . . . . 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 472 . . . . . . . 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 472 . . . . . . . . 9  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  x  e.  On )
8 simplr 497 . . . . . . . . 9  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  z  e.  x
)
9 onelon 4147 . . . . . . . . 9  |-  ( ( x  e.  On  /\  z  e.  x )  ->  z  e.  On )
107, 8, 9syl2anc 403 . . . . . . . 8  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  z  e.  On )
11 simpr1 945 . . . . . . . 8  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  g  Fn  z
)
12 simpr2 946 . . . . . . . 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 5974 . . . . . . 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 2156 . . . . . 6  |-  ( ( ( ph  /\  z  e.  x )  /\  (
g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) ) )  ->  h  e.  A
)
1514ex 113 . . . . 5  |-  ( (
ph  /\  z  e.  x )  ->  (
( g  Fn  z  /\  g  e.  A  /\  h  =  (
g  u.  { <. z ,  ( F `  g ) >. } ) )  ->  h  e.  A ) )
1615exlimdv 1741 . . . 4  |-  ( (
ph  /\  z  e.  x )  ->  ( E. g ( g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `
 g ) >. } ) )  ->  h  e.  A )
)
1716rexlimdva 2478 . . 3  |-  ( ph  ->  ( E. z  e.  x  E. g ( g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `  g )
>. } ) )  ->  h  e.  A )
)
1817abssdv 3069 . 2  |-  ( ph  ->  { h  |  E. z  e.  x  E. g ( g  Fn  z  /\  g  e.  A  /\  h  =  ( g  u.  { <. z ,  ( F `
 g ) >. } ) ) } 
C_  A )
191, 18syl5eqss 3044 1  |-  ( ph  ->  B  C_  A )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 102    /\ w3a 920   A.wal 1283    = wceq 1285   E.wex 1422    e. wcel 1434   {cab 2068   A.wral 2349   E.wrex 2350   _Vcvv 2602    u. cun 2972    C_ wss 2974   {csn 3406   <.cop 3409   Oncon0 4126    |` cres 4373   Fun wfun 4926    Fn wfn 4927   ` cfv 4932
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-in1 577  ax-in2 578  ax-io 663  ax-5 1377  ax-7 1378  ax-gen 1379  ax-ie1 1423  ax-ie2 1424  ax-8 1436  ax-10 1437  ax-11 1438  ax-i12 1439  ax-bndl 1440  ax-4 1441  ax-13 1445  ax-14 1446  ax-17 1460  ax-i9 1464  ax-ial 1468  ax-i5r 1469  ax-ext 2064  ax-sep 3904  ax-pow 3956  ax-pr 3972  ax-un 4196  ax-setind 4288
This theorem depends on definitions:  df-bi 115  df-3an 922  df-tru 1288  df-fal 1291  df-nf 1391  df-sb 1687  df-eu 1945  df-mo 1946  df-clab 2069  df-cleq 2075  df-clel 2078  df-nfc 2209  df-ne 2247  df-ral 2354  df-rex 2355  df-v 2604  df-sbc 2817  df-dif 2976  df-un 2978  df-in 2980  df-ss 2987  df-nul 3259  df-pw 3392  df-sn 3412  df-pr 3413  df-op 3415  df-uni 3610  df-br 3794  df-opab 3848  df-tr 3884  df-id 4056  df-iord 4129  df-on 4131  df-suc 4134  df-xp 4377  df-rel 4378  df-cnv 4379  df-co 4380  df-dm 4381  df-res 4383  df-iota 4897  df-fun 4934  df-fn 4935  df-fv 4940
This theorem is referenced by:  tfrlemibfn  5977  tfrlemiubacc  5979
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