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Theorem climmpt 11826
Description: Exhibit a function  G with the same convergence properties as the not-quite-function  F. (Contributed by Mario Carneiro, 31-Jan-2014.)
Hypotheses
Ref Expression
2clim.1  |-  Z  =  ( ZZ>= `  M )
climmpt.2  |-  G  =  ( k  e.  Z  |->  ( F `  k
) )
Assertion
Ref Expression
climmpt  |-  ( ( M  e.  ZZ  /\  F  e.  V )  ->  ( F  ~~>  A  <->  G  ~~>  A ) )
Distinct variable groups:    A, k    k, F    k, Z
Allowed substitution hints:    G( k)    M( k)    V( k)

Proof of Theorem climmpt
Dummy variable  m is distinct from all other variables.
StepHypRef Expression
1 2clim.1 . 2  |-  Z  =  ( ZZ>= `  M )
2 simpr 110 . 2  |-  ( ( M  e.  ZZ  /\  F  e.  V )  ->  F  e.  V )
3 climmpt.2 . . . 4  |-  G  =  ( k  e.  Z  |->  ( F `  k
) )
4 uzf 9736 . . . . . . . 8  |-  ZZ>= : ZZ --> ~P ZZ
54ffvelcdmi 5771 . . . . . . 7  |-  ( M  e.  ZZ  ->  ( ZZ>=
`  M )  e. 
~P ZZ )
6 elex 2811 . . . . . . 7  |-  ( (
ZZ>= `  M )  e. 
~P ZZ  ->  ( ZZ>=
`  M )  e. 
_V )
75, 6syl 14 . . . . . 6  |-  ( M  e.  ZZ  ->  ( ZZ>=
`  M )  e. 
_V )
81, 7eqeltrid 2316 . . . . 5  |-  ( M  e.  ZZ  ->  Z  e.  _V )
9 mptexg 5868 . . . . 5  |-  ( Z  e.  _V  ->  (
k  e.  Z  |->  ( F `  k ) )  e.  _V )
108, 9syl 14 . . . 4  |-  ( M  e.  ZZ  ->  (
k  e.  Z  |->  ( F `  k ) )  e.  _V )
113, 10eqeltrid 2316 . . 3  |-  ( M  e.  ZZ  ->  G  e.  _V )
1211adantr 276 . 2  |-  ( ( M  e.  ZZ  /\  F  e.  V )  ->  G  e.  _V )
13 simpl 109 . 2  |-  ( ( M  e.  ZZ  /\  F  e.  V )  ->  M  e.  ZZ )
14 simpr 110 . . . 4  |-  ( ( ( M  e.  ZZ  /\  F  e.  V )  /\  m  e.  Z
)  ->  m  e.  Z )
15 fvexg 5648 . . . . 5  |-  ( ( F  e.  V  /\  m  e.  Z )  ->  ( F `  m
)  e.  _V )
1615adantll 476 . . . 4  |-  ( ( ( M  e.  ZZ  /\  F  e.  V )  /\  m  e.  Z
)  ->  ( F `  m )  e.  _V )
17 fveq2 5629 . . . . 5  |-  ( k  =  m  ->  ( F `  k )  =  ( F `  m ) )
1817, 3fvmptg 5712 . . . 4  |-  ( ( m  e.  Z  /\  ( F `  m )  e.  _V )  -> 
( G `  m
)  =  ( F `
 m ) )
1914, 16, 18syl2anc 411 . . 3  |-  ( ( ( M  e.  ZZ  /\  F  e.  V )  /\  m  e.  Z
)  ->  ( G `  m )  =  ( F `  m ) )
2019eqcomd 2235 . 2  |-  ( ( ( M  e.  ZZ  /\  F  e.  V )  /\  m  e.  Z
)  ->  ( F `  m )  =  ( G `  m ) )
211, 2, 12, 13, 20climeq 11825 1  |-  ( ( M  e.  ZZ  /\  F  e.  V )  ->  ( F  ~~>  A  <->  G  ~~>  A ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    <-> wb 105    = wceq 1395    e. wcel 2200   _Vcvv 2799   ~Pcpw 3649   class class class wbr 4083    |-> cmpt 4145   ` cfv 5318   ZZcz 9457   ZZ>=cuz 9733    ~~> cli 11804
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 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-coll 4199  ax-sep 4202  ax-pow 4258  ax-pr 4293  ax-un 4524  ax-setind 4629  ax-cnex 8101  ax-resscn 8102  ax-1cn 8103  ax-1re 8104  ax-icn 8105  ax-addcl 8106  ax-addrcl 8107  ax-mulcl 8108  ax-addcom 8110  ax-addass 8112  ax-distr 8114  ax-i2m1 8115  ax-0lt1 8116  ax-0id 8118  ax-rnegex 8119  ax-cnre 8121  ax-pre-ltirr 8122  ax-pre-ltwlin 8123  ax-pre-lttrn 8124  ax-pre-apti 8125  ax-pre-ltadd 8126
This theorem depends on definitions:  df-bi 117  df-dc 840  df-3or 1003  df-3an 1004  df-tru 1398  df-fal 1401  df-nf 1507  df-sb 1809  df-eu 2080  df-mo 2081  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-nel 2496  df-ral 2513  df-rex 2514  df-reu 2515  df-rab 2517  df-v 2801  df-sbc 3029  df-csb 3125  df-dif 3199  df-un 3201  df-in 3203  df-ss 3210  df-if 3603  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3889  df-int 3924  df-iun 3967  df-br 4084  df-opab 4146  df-mpt 4147  df-id 4384  df-xp 4725  df-rel 4726  df-cnv 4727  df-co 4728  df-dm 4729  df-rn 4730  df-res 4731  df-ima 4732  df-iota 5278  df-fun 5320  df-fn 5321  df-f 5322  df-f1 5323  df-fo 5324  df-f1o 5325  df-fv 5326  df-riota 5960  df-ov 6010  df-oprab 6011  df-mpo 6012  df-pnf 8194  df-mnf 8195  df-xr 8196  df-ltxr 8197  df-le 8198  df-sub 8330  df-neg 8331  df-inn 9122  df-n0 9381  df-z 9458  df-uz 9734  df-clim 11805
This theorem is referenced by: (None)
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