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Theorem erdszelem3 28388
Description: Lemma for erdsze 28397. (Contributed by Mario Carneiro, 22-Jan-2015.)
Hypotheses
Ref Expression
erdsze.n  |-  ( ph  ->  N  e.  NN )
erdsze.f  |-  ( ph  ->  F : ( 1 ... N ) -1-1-> RR )
erdszelem.k  |-  K  =  ( x  e.  ( 1 ... N ) 
|->  sup ( ( # " { y  e.  ~P ( 1 ... x
)  |  ( ( F  |`  y )  Isom  <  ,  O  ( y ,  ( F
" y ) )  /\  x  e.  y ) } ) ,  RR ,  <  )
)
Assertion
Ref Expression
erdszelem3  |-  ( A  e.  ( 1 ... N )  ->  ( K `  A )  =  sup ( ( # " { y  e.  ~P ( 1 ... A
)  |  ( ( F  |`  y )  Isom  <  ,  O  ( y ,  ( F
" y ) )  /\  A  e.  y ) } ) ,  RR ,  <  )
)
Distinct variable groups:    x, y, F    x, A, y    x, O, y    x, N, y    ph, x, y
Allowed substitution hints:    K( x, y)

Proof of Theorem erdszelem3
StepHypRef Expression
1 oveq2 6293 . . . . . 6  |-  ( x  =  A  ->  (
1 ... x )  =  ( 1 ... A
) )
21pweqd 4015 . . . . 5  |-  ( x  =  A  ->  ~P ( 1 ... x
)  =  ~P (
1 ... A ) )
3 eleq1 2539 . . . . . 6  |-  ( x  =  A  ->  (
x  e.  y  <->  A  e.  y ) )
43anbi2d 703 . . . . 5  |-  ( x  =  A  ->  (
( ( F  |`  y )  Isom  <  ,  O  ( y ,  ( F " y
) )  /\  x  e.  y )  <->  ( ( F  |`  y )  Isom  <  ,  O  ( y ,  ( F "
y ) )  /\  A  e.  y )
) )
52, 4rabeqbidv 3108 . . . 4  |-  ( x  =  A  ->  { y  e.  ~P ( 1 ... x )  |  ( ( F  |`  y )  Isom  <  ,  O  ( y ,  ( F " y
) )  /\  x  e.  y ) }  =  { y  e.  ~P ( 1 ... A
)  |  ( ( F  |`  y )  Isom  <  ,  O  ( y ,  ( F
" y ) )  /\  A  e.  y ) } )
65imaeq2d 5337 . . 3  |-  ( x  =  A  ->  ( #
" { y  e. 
~P ( 1 ... x )  |  ( ( F  |`  y
)  Isom  <  ,  O  ( y ,  ( F " y ) )  /\  x  e.  y ) } )  =  ( # " {
y  e.  ~P (
1 ... A )  |  ( ( F  |`  y )  Isom  <  ,  O  ( y ,  ( F " y
) )  /\  A  e.  y ) } ) )
76supeq1d 7907 . 2  |-  ( x  =  A  ->  sup ( ( # " {
y  e.  ~P (
1 ... x )  |  ( ( F  |`  y )  Isom  <  ,  O  ( y ,  ( F " y
) )  /\  x  e.  y ) } ) ,  RR ,  <  )  =  sup ( (
# " { y  e.  ~P ( 1 ... A )  |  ( ( F  |`  y )  Isom  <  ,  O  ( y ,  ( F " y
) )  /\  A  e.  y ) } ) ,  RR ,  <  ) )
8 erdszelem.k . 2  |-  K  =  ( x  e.  ( 1 ... N ) 
|->  sup ( ( # " { y  e.  ~P ( 1 ... x
)  |  ( ( F  |`  y )  Isom  <  ,  O  ( y ,  ( F
" y ) )  /\  x  e.  y ) } ) ,  RR ,  <  )
)
9 ltso 9666 . . 3  |-  <  Or  RR
109supex 7924 . 2  |-  sup (
( # " { y  e.  ~P ( 1 ... A )  |  ( ( F  |`  y )  Isom  <  ,  O  ( y ,  ( F " y
) )  /\  A  e.  y ) } ) ,  RR ,  <  )  e.  _V
117, 8, 10fvmpt 5951 1  |-  ( A  e.  ( 1 ... N )  ->  ( K `  A )  =  sup ( ( # " { y  e.  ~P ( 1 ... A
)  |  ( ( F  |`  y )  Isom  <  ,  O  ( y ,  ( F
" y ) )  /\  A  e.  y ) } ) ,  RR ,  <  )
)
Colors of variables: wff setvar class
Syntax hints:    -> wi 4    /\ wa 369    = wceq 1379    e. wcel 1767   {crab 2818   ~Pcpw 4010    |-> cmpt 4505    |` cres 5001   "cima 5002   -1-1->wf1 5585   ` cfv 5588    Isom wiso 5589  (class class class)co 6285   supcsup 7901   RRcr 9492   1c1 9494    < clt 9629   NNcn 10537   ...cfz 11673   #chash 12374
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1601  ax-4 1612  ax-5 1680  ax-6 1719  ax-7 1739  ax-8 1769  ax-9 1771  ax-10 1786  ax-11 1791  ax-12 1803  ax-13 1968  ax-ext 2445  ax-sep 4568  ax-nul 4576  ax-pow 4625  ax-pr 4686  ax-un 6577  ax-resscn 9550  ax-pre-lttri 9567  ax-pre-lttrn 9568
This theorem depends on definitions:  df-bi 185  df-or 370  df-an 371  df-3or 974  df-3an 975  df-tru 1382  df-ex 1597  df-nf 1600  df-sb 1712  df-eu 2279  df-mo 2280  df-clab 2453  df-cleq 2459  df-clel 2462  df-nfc 2617  df-ne 2664  df-nel 2665  df-ral 2819  df-rex 2820  df-rmo 2822  df-rab 2823  df-v 3115  df-sbc 3332  df-csb 3436  df-dif 3479  df-un 3481  df-in 3483  df-ss 3490  df-nul 3786  df-if 3940  df-pw 4012  df-sn 4028  df-pr 4030  df-op 4034  df-uni 4246  df-br 4448  df-opab 4506  df-mpt 4507  df-id 4795  df-po 4800  df-so 4801  df-xp 5005  df-rel 5006  df-cnv 5007  df-co 5008  df-dm 5009  df-rn 5010  df-res 5011  df-ima 5012  df-iota 5551  df-fun 5590  df-fn 5591  df-f 5592  df-f1 5593  df-fo 5594  df-f1o 5595  df-fv 5596  df-ov 6288  df-er 7312  df-en 7518  df-dom 7519  df-sdom 7520  df-sup 7902  df-pnf 9631  df-mnf 9632  df-ltxr 9634
This theorem is referenced by:  erdszelem5  28390  erdszelem8  28393
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