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Theorem bnj558 29287
Description: Technical lemma for bnj852 29306. This lemma may no longer be used or have become an indirect lemma of the theorem in question (i.e. a lemma of a lemma... of the theorem). (Contributed by Jonathan Ben-Naim, 3-Jun-2011.) (New usage is discouraged.)
Hypotheses
Ref Expression
bnj558.3  |-  D  =  ( om  \  { (/)
} )
bnj558.16  |-  G  =  ( f  u.  { <. m ,  U_ y  e.  ( f `  p
)  pred ( y ,  A ,  R )
>. } )
bnj558.17  |-  ( ta  <->  ( f  Fn  m  /\  ph' 
/\  ps' ) )
bnj558.18  |-  ( si  <->  ( m  e.  D  /\  n  =  suc  m  /\  p  e.  m )
)
bnj558.19  |-  ( et  <->  ( m  e.  D  /\  n  =  suc  m  /\  p  e.  om  /\  m  =  suc  p ) )
bnj558.20  |-  ( ze  <->  ( i  e.  om  /\  suc  i  e.  n  /\  m  =  suc  i ) )
bnj558.21  |-  B  = 
U_ y  e.  ( f `  i ) 
pred ( y ,  A ,  R )
bnj558.22  |-  C  = 
U_ y  e.  ( f `  p ) 
pred ( y ,  A ,  R )
bnj558.23  |-  K  = 
U_ y  e.  ( G `  i ) 
pred ( y ,  A ,  R )
bnj558.24  |-  L  = 
U_ y  e.  ( G `  p ) 
pred ( y ,  A ,  R )
bnj558.25  |-  G  =  ( f  u.  { <. m ,  C >. } )
bnj558.28  |-  ( ph'  <->  (
f `  (/) )  = 
pred ( x ,  A ,  R ) )
bnj558.29  |-  ( ps'  <->  A. i  e.  om  ( suc  i  e.  m  ->  ( f `  suc  i )  =  U_ y  e.  ( f `  i )  pred (
y ,  A ,  R ) ) )
bnj558.36  |-  ( ( R  FrSe  A  /\  ta  /\  si )  ->  G  Fn  n )
Assertion
Ref Expression
bnj558  |-  ( ( R  FrSe  A  /\  ta  /\  et  /\  ze )  ->  ( G `  suc  i )  =  K )
Distinct variable groups:    A, i, p, y    y, G    R, i, p, y    f, i, p, y    i, m, p    p, ph'
Allowed substitution hints:    ta( x, y, f, i, m, n, p)    et( x, y, f, i, m, n, p)    ze( x, y, f, i, m, n, p)    si( x, y, f, i, m, n, p)    A( x, f, m, n)    B( x, y, f, i, m, n, p)    C( x, y, f, i, m, n, p)    D( x, y, f, i, m, n, p)    R( x, f, m, n)    G( x, f, i, m, n, p)    K( x, y, f, i, m, n, p)    L( x, y, f, i, m, n, p)    ph'( x, y, f, i, m, n)    ps'( x, y, f, i, m, n, p)

Proof of Theorem bnj558
StepHypRef Expression
1 bnj558.3 . . 3  |-  D  =  ( om  \  { (/)
} )
2 bnj558.16 . . 3  |-  G  =  ( f  u.  { <. m ,  U_ y  e.  ( f `  p
)  pred ( y ,  A ,  R )
>. } )
3 bnj558.17 . . 3  |-  ( ta  <->  ( f  Fn  m  /\  ph' 
/\  ps' ) )
4 bnj558.18 . . 3  |-  ( si  <->  ( m  e.  D  /\  n  =  suc  m  /\  p  e.  m )
)
5 bnj558.19 . . 3  |-  ( et  <->  ( m  e.  D  /\  n  =  suc  m  /\  p  e.  om  /\  m  =  suc  p ) )
6 bnj558.20 . . 3  |-  ( ze  <->  ( i  e.  om  /\  suc  i  e.  n  /\  m  =  suc  i ) )
7 bnj558.21 . . 3  |-  B  = 
U_ y  e.  ( f `  i ) 
pred ( y ,  A ,  R )
8 bnj558.22 . . 3  |-  C  = 
U_ y  e.  ( f `  p ) 
pred ( y ,  A ,  R )
9 bnj558.23 . . 3  |-  K  = 
U_ y  e.  ( G `  i ) 
pred ( y ,  A ,  R )
10 bnj558.24 . . 3  |-  L  = 
U_ y  e.  ( G `  p ) 
pred ( y ,  A ,  R )
11 bnj558.25 . . 3  |-  G  =  ( f  u.  { <. m ,  C >. } )
12 bnj558.28 . . 3  |-  ( ph'  <->  (
f `  (/) )  = 
pred ( x ,  A ,  R ) )
13 bnj558.29 . . 3  |-  ( ps'  <->  A. i  e.  om  ( suc  i  e.  m  ->  ( f `  suc  i )  =  U_ y  e.  ( f `  i )  pred (
y ,  A ,  R ) ) )
14 bnj558.36 . . 3  |-  ( ( R  FrSe  A  /\  ta  /\  si )  ->  G  Fn  n )
151, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14bnj557 29286 . 2  |-  ( ( R  FrSe  A  /\  ta  /\  et  /\  ze )  ->  ( G `  m )  =  L )
16 bnj422 29094 . . . . 5  |-  ( ( R  FrSe  A  /\  ta  /\  et  /\  ze ) 
<->  ( et  /\  ze  /\  R  FrSe  A  /\  ta ) )
17 bnj253 29083 . . . . 5  |-  ( ( et  /\  ze  /\  R  FrSe  A  /\  ta ) 
<->  ( ( et  /\  ze )  /\  R  FrSe  A  /\  ta ) )
1816, 17bitri 249 . . . 4  |-  ( ( R  FrSe  A  /\  ta  /\  et  /\  ze ) 
<->  ( ( et  /\  ze )  /\  R  FrSe  A  /\  ta ) )
1918simp1bi 1012 . . 3  |-  ( ( R  FrSe  A  /\  ta  /\  et  /\  ze )  ->  ( et  /\  ze ) )
205, 6, 9, 10, 9, 10bnj554 29284 . . 3  |-  ( ( et  /\  ze )  ->  ( ( G `  m )  =  L  <-> 
( G `  suc  i )  =  K ) )
2119, 20syl 17 . 2  |-  ( ( R  FrSe  A  /\  ta  /\  et  /\  ze )  ->  ( ( G `
 m )  =  L  <->  ( G `  suc  i )  =  K ) )
2215, 21mpbid 210 1  |-  ( ( R  FrSe  A  /\  ta  /\  et  /\  ze )  ->  ( G `  suc  i )  =  K )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    <-> wb 184    /\ wa 367    /\ w3a 974    = wceq 1405    e. wcel 1842   A.wral 2754    \ cdif 3411    u. cun 3412   (/)c0 3738   {csn 3972   <.cop 3978   U_ciun 4271   suc csuc 5412    Fn wfn 5564   ` cfv 5569   omcom 6683    /\ w-bnj17 29065    predc-bnj14 29067    FrSe w-bnj15 29071
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1639  ax-4 1652  ax-5 1725  ax-6 1771  ax-7 1814  ax-8 1844  ax-9 1846  ax-10 1861  ax-11 1866  ax-12 1878  ax-13 2026  ax-ext 2380  ax-sep 4517  ax-nul 4525  ax-pr 4630  ax-un 6574  ax-reg 8052
This theorem depends on definitions:  df-bi 185  df-or 368  df-an 369  df-3an 976  df-tru 1408  df-ex 1634  df-nf 1638  df-sb 1764  df-eu 2242  df-mo 2243  df-clab 2388  df-cleq 2394  df-clel 2397  df-nfc 2552  df-ne 2600  df-ral 2759  df-rex 2760  df-rab 2763  df-v 3061  df-sbc 3278  df-dif 3417  df-un 3419  df-in 3421  df-ss 3428  df-nul 3739  df-if 3886  df-sn 3973  df-pr 3975  df-op 3979  df-uni 4192  df-iun 4273  df-br 4396  df-opab 4454  df-eprel 4734  df-id 4738  df-fr 4782  df-xp 4829  df-rel 4830  df-cnv 4831  df-co 4832  df-dm 4833  df-res 4835  df-suc 5416  df-iota 5533  df-fun 5571  df-fn 5572  df-fv 5577  df-bnj17 29066
This theorem is referenced by:  bnj571  29291
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