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Theorem seqf 10573
Description: Range of the recursive sequence builder. (Contributed by Mario Carneiro, 24-Jun-2013.)
Hypotheses
Ref Expression
seqf.1  |-  Z  =  ( ZZ>= `  M )
seqf.2  |-  ( ph  ->  M  e.  ZZ )
seqf.3  |-  ( (
ph  /\  x  e.  Z )  ->  ( F `  x )  e.  S )
seqf.4  |-  ( (
ph  /\  ( x  e.  S  /\  y  e.  S ) )  -> 
( x  .+  y
)  e.  S )
Assertion
Ref Expression
seqf  |-  ( ph  ->  seq M (  .+  ,  F ) : Z --> S )
Distinct variable groups:    x,  .+ , y    x, F, y    x, M, y    x, S, y   
x, Z    ph, x, y
Allowed substitution hint:    Z( y)

Proof of Theorem seqf
Dummy variables  a  b  s  t  w  z  u  v  c are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 seqf.2 . . 3  |-  ( ph  ->  M  e.  ZZ )
2 fveq2 5561 . . . . 5  |-  ( x  =  M  ->  ( F `  x )  =  ( F `  M ) )
32eleq1d 2265 . . . 4  |-  ( x  =  M  ->  (
( F `  x
)  e.  S  <->  ( F `  M )  e.  S
) )
4 seqf.3 . . . . 5  |-  ( (
ph  /\  x  e.  Z )  ->  ( F `  x )  e.  S )
54ralrimiva 2570 . . . 4  |-  ( ph  ->  A. x  e.  Z  ( F `  x )  e.  S )
6 uzid 9632 . . . . . 6  |-  ( M  e.  ZZ  ->  M  e.  ( ZZ>= `  M )
)
71, 6syl 14 . . . . 5  |-  ( ph  ->  M  e.  ( ZZ>= `  M ) )
8 seqf.1 . . . . 5  |-  Z  =  ( ZZ>= `  M )
97, 8eleqtrrdi 2290 . . . 4  |-  ( ph  ->  M  e.  Z )
103, 5, 9rspcdva 2873 . . 3  |-  ( ph  ->  ( F `  M
)  e.  S )
11 ssv 3206 . . . 4  |-  S  C_  _V
1211a1i 9 . . 3  |-  ( ph  ->  S  C_  _V )
13 simprl 529 . . . . 5  |-  ( (
ph  /\  ( x  e.  ( ZZ>= `  M )  /\  y  e.  S
) )  ->  x  e.  ( ZZ>= `  M )
)
14 simprr 531 . . . . 5  |-  ( (
ph  /\  ( x  e.  ( ZZ>= `  M )  /\  y  e.  S
) )  ->  y  e.  S )
15 seqf.4 . . . . . . . 8  |-  ( (
ph  /\  ( x  e.  S  /\  y  e.  S ) )  -> 
( x  .+  y
)  e.  S )
1615caovclg 6080 . . . . . . 7  |-  ( (
ph  /\  ( a  e.  S  /\  b  e.  S ) )  -> 
( a  .+  b
)  e.  S )
1716adantlr 477 . . . . . 6  |-  ( ( ( ph  /\  (
x  e.  ( ZZ>= `  M )  /\  y  e.  S ) )  /\  ( a  e.  S  /\  b  e.  S
) )  ->  (
a  .+  b )  e.  S )
18 fveq2 5561 . . . . . . . 8  |-  ( c  =  ( x  + 
1 )  ->  ( F `  c )  =  ( F `  ( x  +  1
) ) )
1918eleq1d 2265 . . . . . . 7  |-  ( c  =  ( x  + 
1 )  ->  (
( F `  c
)  e.  S  <->  ( F `  ( x  +  1 ) )  e.  S
) )
20 fveq2 5561 . . . . . . . . . . 11  |-  ( x  =  c  ->  ( F `  x )  =  ( F `  c ) )
2120eleq1d 2265 . . . . . . . . . 10  |-  ( x  =  c  ->  (
( F `  x
)  e.  S  <->  ( F `  c )  e.  S
) )
2221cbvralv 2729 . . . . . . . . 9  |-  ( A. x  e.  Z  ( F `  x )  e.  S  <->  A. c  e.  Z  ( F `  c )  e.  S )
235, 22sylib 122 . . . . . . . 8  |-  ( ph  ->  A. c  e.  Z  ( F `  c )  e.  S )
2423adantr 276 . . . . . . 7  |-  ( (
ph  /\  ( x  e.  ( ZZ>= `  M )  /\  y  e.  S
) )  ->  A. c  e.  Z  ( F `  c )  e.  S
)
25 peano2uz 9674 . . . . . . . . 9  |-  ( x  e.  ( ZZ>= `  M
)  ->  ( x  +  1 )  e.  ( ZZ>= `  M )
)
2625, 8eleqtrrdi 2290 . . . . . . . 8  |-  ( x  e.  ( ZZ>= `  M
)  ->  ( x  +  1 )  e.  Z )
2713, 26syl 14 . . . . . . 7  |-  ( (
ph  /\  ( x  e.  ( ZZ>= `  M )  /\  y  e.  S
) )  ->  (
x  +  1 )  e.  Z )
2819, 24, 27rspcdva 2873 . . . . . 6  |-  ( (
ph  /\  ( x  e.  ( ZZ>= `  M )  /\  y  e.  S
) )  ->  ( F `  ( x  +  1 ) )  e.  S )
2917, 14, 28caovcld 6081 . . . . 5  |-  ( (
ph  /\  ( x  e.  ( ZZ>= `  M )  /\  y  e.  S
) )  ->  (
y  .+  ( F `  ( x  +  1 ) ) )  e.  S )
30 fvoveq1 5948 . . . . . . 7  |-  ( z  =  x  ->  ( F `  ( z  +  1 ) )  =  ( F `  ( x  +  1
) ) )
3130oveq2d 5941 . . . . . 6  |-  ( z  =  x  ->  (
w  .+  ( F `  ( z  +  1 ) ) )  =  ( w  .+  ( F `  ( x  +  1 ) ) ) )
32 oveq1 5932 . . . . . 6  |-  ( w  =  y  ->  (
w  .+  ( F `  ( x  +  1 ) ) )  =  ( y  .+  ( F `  ( x  +  1 ) ) ) )
33 eqid 2196 . . . . . 6  |-  ( z  e.  ( ZZ>= `  M
) ,  w  e.  S  |->  ( w  .+  ( F `  ( z  +  1 ) ) ) )  =  ( z  e.  ( ZZ>= `  M ) ,  w  e.  S  |->  ( w 
.+  ( F `  ( z  +  1 ) ) ) )
3431, 32, 33ovmpog 6061 . . . . 5  |-  ( ( x  e.  ( ZZ>= `  M )  /\  y  e.  S  /\  (
y  .+  ( F `  ( x  +  1 ) ) )  e.  S )  ->  (
x ( z  e.  ( ZZ>= `  M ) ,  w  e.  S  |->  ( w  .+  ( F `  ( z  +  1 ) ) ) ) y )  =  ( y  .+  ( F `  ( x  +  1 ) ) ) )
3513, 14, 29, 34syl3anc 1249 . . . 4  |-  ( (
ph  /\  ( x  e.  ( ZZ>= `  M )  /\  y  e.  S
) )  ->  (
x ( z  e.  ( ZZ>= `  M ) ,  w  e.  S  |->  ( w  .+  ( F `  ( z  +  1 ) ) ) ) y )  =  ( y  .+  ( F `  ( x  +  1 ) ) ) )
3635, 29eqeltrd 2273 . . 3  |-  ( (
ph  /\  ( x  e.  ( ZZ>= `  M )  /\  y  e.  S
) )  ->  (
x ( z  e.  ( ZZ>= `  M ) ,  w  e.  S  |->  ( w  .+  ( F `  ( z  +  1 ) ) ) ) y )  e.  S )
37 iseqvalcbv 10568 . . 3  |- frec ( ( s  e.  ( ZZ>= `  M ) ,  t  e.  _V  |->  <. (
s  +  1 ) ,  ( s ( u  e.  ( ZZ>= `  M ) ,  v  e.  S  |->  ( v 
.+  ( F `  ( u  +  1
) ) ) ) t ) >. ) ,  <. M ,  ( F `  M )
>. )  = frec (
( x  e.  (
ZZ>= `  M ) ,  y  e.  _V  |->  <.
( x  +  1 ) ,  ( x ( z  e.  (
ZZ>= `  M ) ,  w  e.  S  |->  ( w  .+  ( F `
 ( z  +  1 ) ) ) ) y ) >.
) ,  <. M , 
( F `  M
) >. )
388eleq2i 2263 . . . . 5  |-  ( x  e.  Z  <->  x  e.  ( ZZ>= `  M )
)
3938, 4sylan2br 288 . . . 4  |-  ( (
ph  /\  x  e.  ( ZZ>= `  M )
)  ->  ( F `  x )  e.  S
)
401, 37, 39, 15seq3val 10569 . . 3  |-  ( ph  ->  seq M (  .+  ,  F )  =  ran frec ( ( s  e.  (
ZZ>= `  M ) ,  t  e.  _V  |->  <.
( s  +  1 ) ,  ( s ( u  e.  (
ZZ>= `  M ) ,  v  e.  S  |->  ( v  .+  ( F `
 ( u  + 
1 ) ) ) ) t ) >.
) ,  <. M , 
( F `  M
) >. ) )
411, 10, 12, 36, 37, 40frecuzrdgtclt 10530 . 2  |-  ( ph  ->  seq M (  .+  ,  F ) : (
ZZ>= `  M ) --> S )
428a1i 9 . . 3  |-  ( ph  ->  Z  =  ( ZZ>= `  M ) )
4342feq2d 5398 . 2  |-  ( ph  ->  (  seq M ( 
.+  ,  F ) : Z --> S  <->  seq M ( 
.+  ,  F ) : ( ZZ>= `  M
) --> S ) )
4441, 43mpbird 167 1  |-  ( ph  ->  seq M (  .+  ,  F ) : Z --> S )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    = wceq 1364    e. wcel 2167   A.wral 2475   _Vcvv 2763    C_ wss 3157   <.cop 3626   -->wf 5255   ` cfv 5259  (class class class)co 5925    e. cmpo 5927  freccfrec 6457   1c1 7897    + caddc 7899   ZZcz 9343   ZZ>=cuz 9618    seqcseq 10556
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 615  ax-in2 616  ax-io 710  ax-5 1461  ax-7 1462  ax-gen 1463  ax-ie1 1507  ax-ie2 1508  ax-8 1518  ax-10 1519  ax-11 1520  ax-i12 1521  ax-bndl 1523  ax-4 1524  ax-17 1540  ax-i9 1544  ax-ial 1548  ax-i5r 1549  ax-13 2169  ax-14 2170  ax-ext 2178  ax-coll 4149  ax-sep 4152  ax-nul 4160  ax-pow 4208  ax-pr 4243  ax-un 4469  ax-setind 4574  ax-iinf 4625  ax-cnex 7987  ax-resscn 7988  ax-1cn 7989  ax-1re 7990  ax-icn 7991  ax-addcl 7992  ax-addrcl 7993  ax-mulcl 7994  ax-addcom 7996  ax-addass 7998  ax-distr 8000  ax-i2m1 8001  ax-0lt1 8002  ax-0id 8004  ax-rnegex 8005  ax-cnre 8007  ax-pre-ltirr 8008  ax-pre-ltwlin 8009  ax-pre-lttrn 8010  ax-pre-ltadd 8012
This theorem depends on definitions:  df-bi 117  df-3or 981  df-3an 982  df-tru 1367  df-fal 1370  df-nf 1475  df-sb 1777  df-eu 2048  df-mo 2049  df-clab 2183  df-cleq 2189  df-clel 2192  df-nfc 2328  df-ne 2368  df-nel 2463  df-ral 2480  df-rex 2481  df-reu 2482  df-rab 2484  df-v 2765  df-sbc 2990  df-csb 3085  df-dif 3159  df-un 3161  df-in 3163  df-ss 3170  df-nul 3452  df-pw 3608  df-sn 3629  df-pr 3630  df-op 3632  df-uni 3841  df-int 3876  df-iun 3919  df-br 4035  df-opab 4096  df-mpt 4097  df-tr 4133  df-id 4329  df-iord 4402  df-on 4404  df-ilim 4405  df-suc 4407  df-iom 4628  df-xp 4670  df-rel 4671  df-cnv 4672  df-co 4673  df-dm 4674  df-rn 4675  df-res 4676  df-ima 4677  df-iota 5220  df-fun 5261  df-fn 5262  df-f 5263  df-f1 5264  df-fo 5265  df-f1o 5266  df-fv 5267  df-riota 5880  df-ov 5928  df-oprab 5929  df-mpo 5930  df-1st 6207  df-2nd 6208  df-recs 6372  df-frec 6458  df-pnf 8080  df-mnf 8081  df-xr 8082  df-ltxr 8083  df-le 8084  df-sub 8216  df-neg 8217  df-inn 9008  df-n0 9267  df-z 9344  df-uz 9619  df-seqfrec 10557
This theorem is referenced by:  seq3p1  10574  seq3feq2  10585  seq3feq  10589  serf  10592  serfre  10593  seq3split  10597  seq3caopr2  10602  seq3f1olemqsumkj  10620  seq3homo  10636  seq3z  10637  seqfeq3  10638  seq3distr  10641  ser3ge0  10645  exp3vallem  10649  exp3val  10650  facnn  10836  fac0  10837  bcval5  10872  seq3coll  10951  seq3shft  11020  resqrexlemf  11189  prodf  11720  algrf  12238  pcmptcl  12536  nninfdclemf  12691  mulgval  13328  mulgfng  13330  mulgnnsubcl  13340  lgsval  15329  lgscllem  15332  lgsval4a  15347  lgsneg  15349  lgsdir  15360  lgsdilem2  15361  lgsdi  15362  lgsne0  15363
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