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Theorem cvgratnnlemabsle 11468
Description: Lemma for cvgratnn 11472. (Contributed by Jim Kingdon, 21-Nov-2022.)
Hypotheses
Ref Expression
cvgratnn.3  |-  ( ph  ->  A  e.  RR )
cvgratnn.4  |-  ( ph  ->  A  <  1 )
cvgratnn.gt0  |-  ( ph  ->  0  <  A )
cvgratnn.6  |-  ( (
ph  /\  k  e.  NN )  ->  ( F `
 k )  e.  CC )
cvgratnn.7  |-  ( (
ph  /\  k  e.  NN )  ->  ( abs `  ( F `  (
k  +  1 ) ) )  <_  ( A  x.  ( abs `  ( F `  k
) ) ) )
cvgratnn.m  |-  ( ph  ->  M  e.  NN )
cvgratnn.n  |-  ( ph  ->  N  e.  ( ZZ>= `  M ) )
Assertion
Ref Expression
cvgratnnlemabsle  |-  ( ph  ->  ( abs `  sum_ i  e.  ( ( M  +  1 ) ... N ) ( F `  i ) )  <_  ( ( abs `  ( F `  M ) )  x. 
sum_ i  e.  ( ( M  +  1 ) ... N ) ( A ^ (
i  -  M ) ) ) )
Distinct variable groups:    A, k    k, F    k, N    ph, k    i, F, k    i, M, k   
i, N    ph, i
Allowed substitution hint:    A( i)

Proof of Theorem cvgratnnlemabsle
StepHypRef Expression
1 cvgratnn.m . . . . . . . 8  |-  ( ph  ->  M  e.  NN )
21nnzd 9312 . . . . . . 7  |-  ( ph  ->  M  e.  ZZ )
32peano2zd 9316 . . . . . 6  |-  ( ph  ->  ( M  +  1 )  e.  ZZ )
4 cvgratnn.n . . . . . . 7  |-  ( ph  ->  N  e.  ( ZZ>= `  M ) )
5 eluzelz 9475 . . . . . . 7  |-  ( N  e.  ( ZZ>= `  M
)  ->  N  e.  ZZ )
64, 5syl 14 . . . . . 6  |-  ( ph  ->  N  e.  ZZ )
73, 6fzfigd 10366 . . . . 5  |-  ( ph  ->  ( ( M  + 
1 ) ... N
)  e.  Fin )
8 fveq2 5486 . . . . . . 7  |-  ( k  =  i  ->  ( F `  k )  =  ( F `  i ) )
98eleq1d 2235 . . . . . 6  |-  ( k  =  i  ->  (
( F `  k
)  e.  CC  <->  ( F `  i )  e.  CC ) )
10 cvgratnn.6 . . . . . . . 8  |-  ( (
ph  /\  k  e.  NN )  ->  ( F `
 k )  e.  CC )
1110ralrimiva 2539 . . . . . . 7  |-  ( ph  ->  A. k  e.  NN  ( F `  k )  e.  CC )
1211adantr 274 . . . . . 6  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  A. k  e.  NN  ( F `  k )  e.  CC )
13 elfzelz 9960 . . . . . . . 8  |-  ( i  e.  ( ( M  +  1 ) ... N )  ->  i  e.  ZZ )
1413adantl 275 . . . . . . 7  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  i  e.  ZZ )
15 0red 7900 . . . . . . . 8  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  0  e.  RR )
161peano2nnd 8872 . . . . . . . . . 10  |-  ( ph  ->  ( M  +  1 )  e.  NN )
1716adantr 274 . . . . . . . . 9  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  ( M  +  1 )  e.  NN )
1817nnred 8870 . . . . . . . 8  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  ( M  +  1 )  e.  RR )
1914zred 9313 . . . . . . . 8  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  i  e.  RR )
2016nngt0d 8901 . . . . . . . . 9  |-  ( ph  ->  0  <  ( M  +  1 ) )
2120adantr 274 . . . . . . . 8  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  0  <  ( M  +  1 ) )
22 elfzle1 9962 . . . . . . . . 9  |-  ( i  e.  ( ( M  +  1 ) ... N )  ->  ( M  +  1 )  <_  i )
2322adantl 275 . . . . . . . 8  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  ( M  +  1 )  <_  i )
2415, 18, 19, 21, 23ltletrd 8321 . . . . . . 7  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  0  <  i )
25 elnnz 9201 . . . . . . 7  |-  ( i  e.  NN  <->  ( i  e.  ZZ  /\  0  < 
i ) )
2614, 24, 25sylanbrc 414 . . . . . 6  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  i  e.  NN )
279, 12, 26rspcdva 2835 . . . . 5  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  ( F `  i )  e.  CC )
287, 27fsumcl 11341 . . . 4  |-  ( ph  -> 
sum_ i  e.  ( ( M  +  1 ) ... N ) ( F `  i
)  e.  CC )
2928abscld 11123 . . 3  |-  ( ph  ->  ( abs `  sum_ i  e.  ( ( M  +  1 ) ... N ) ( F `  i ) )  e.  RR )
3027abscld 11123 . . . 4  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  ( abs `  ( F `  i ) )  e.  RR )
317, 30fsumrecl 11342 . . 3  |-  ( ph  -> 
sum_ i  e.  ( ( M  +  1 ) ... N ) ( abs `  ( F `  i )
)  e.  RR )
32 fveq2 5486 . . . . . . . . 9  |-  ( k  =  M  ->  ( F `  k )  =  ( F `  M ) )
3332eleq1d 2235 . . . . . . . 8  |-  ( k  =  M  ->  (
( F `  k
)  e.  CC  <->  ( F `  M )  e.  CC ) )
3433, 11, 1rspcdva 2835 . . . . . . 7  |-  ( ph  ->  ( F `  M
)  e.  CC )
3534adantr 274 . . . . . 6  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  ( F `  M )  e.  CC )
3635abscld 11123 . . . . 5  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  ( abs `  ( F `  M ) )  e.  RR )
37 cvgratnn.3 . . . . . . 7  |-  ( ph  ->  A  e.  RR )
3837adantr 274 . . . . . 6  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  A  e.  RR )
392adantr 274 . . . . . . . 8  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  M  e.  ZZ )
4014, 39zsubcld 9318 . . . . . . 7  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  (
i  -  M )  e.  ZZ )
411adantr 274 . . . . . . . . . 10  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  M  e.  NN )
4241nnred 8870 . . . . . . . . 9  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  M  e.  RR )
4342lep1d 8826 . . . . . . . . 9  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  M  <_  ( M  +  1 ) )
4442, 18, 19, 43, 23letrd 8022 . . . . . . . 8  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  M  <_  i )
4519, 42subge0d 8433 . . . . . . . 8  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  (
0  <_  ( i  -  M )  <->  M  <_  i ) )
4644, 45mpbird 166 . . . . . . 7  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  0  <_  ( i  -  M
) )
47 elnn0z 9204 . . . . . . 7  |-  ( ( i  -  M )  e.  NN0  <->  ( ( i  -  M )  e.  ZZ  /\  0  <_ 
( i  -  M
) ) )
4840, 46, 47sylanbrc 414 . . . . . 6  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  (
i  -  M )  e.  NN0 )
4938, 48reexpcld 10605 . . . . 5  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  ( A ^ ( i  -  M ) )  e.  RR )
5036, 49remulcld 7929 . . . 4  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  (
( abs `  ( F `  M )
)  x.  ( A ^ ( i  -  M ) ) )  e.  RR )
517, 50fsumrecl 11342 . . 3  |-  ( ph  -> 
sum_ i  e.  ( ( M  +  1 ) ... N ) ( ( abs `  ( F `  M )
)  x.  ( A ^ ( i  -  M ) ) )  e.  RR )
527, 27fsumabs 11406 . . 3  |-  ( ph  ->  ( abs `  sum_ i  e.  ( ( M  +  1 ) ... N ) ( F `  i ) )  <_  sum_ i  e.  ( ( M  + 
1 ) ... N
) ( abs `  ( F `  i )
) )
53 cvgratnn.4 . . . . . 6  |-  ( ph  ->  A  <  1 )
5453adantr 274 . . . . 5  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  A  <  1 )
55 cvgratnn.gt0 . . . . . 6  |-  ( ph  ->  0  <  A )
5655adantr 274 . . . . 5  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  0  <  A )
5710adantlr 469 . . . . 5  |-  ( ( ( ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  /\  k  e.  NN )  ->  ( F `  k )  e.  CC )
58 cvgratnn.7 . . . . . 6  |-  ( (
ph  /\  k  e.  NN )  ->  ( abs `  ( F `  (
k  +  1 ) ) )  <_  ( A  x.  ( abs `  ( F `  k
) ) ) )
5958adantlr 469 . . . . 5  |-  ( ( ( ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  /\  k  e.  NN )  ->  ( abs `  ( F `  ( k  +  1 ) ) )  <_ 
( A  x.  ( abs `  ( F `  k ) ) ) )
60 eluz2 9472 . . . . . 6  |-  ( i  e.  ( ZZ>= `  M
)  <->  ( M  e.  ZZ  /\  i  e.  ZZ  /\  M  <_ 
i ) )
6139, 14, 44, 60syl3anbrc 1171 . . . . 5  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  i  e.  ( ZZ>= `  M )
)
6238, 54, 56, 57, 59, 41, 61cvgratnnlemmn 11466 . . . 4  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  ( abs `  ( F `  i ) )  <_ 
( ( abs `  ( F `  M )
)  x.  ( A ^ ( i  -  M ) ) ) )
637, 30, 50, 62fsumle 11404 . . 3  |-  ( ph  -> 
sum_ i  e.  ( ( M  +  1 ) ... N ) ( abs `  ( F `  i )
)  <_  sum_ i  e.  ( ( M  + 
1 ) ... N
) ( ( abs `  ( F `  M
) )  x.  ( A ^ ( i  -  M ) ) ) )
6429, 31, 51, 52, 63letrd 8022 . 2  |-  ( ph  ->  ( abs `  sum_ i  e.  ( ( M  +  1 ) ... N ) ( F `  i ) )  <_  sum_ i  e.  ( ( M  + 
1 ) ... N
) ( ( abs `  ( F `  M
) )  x.  ( A ^ ( i  -  M ) ) ) )
6534abscld 11123 . . . 4  |-  ( ph  ->  ( abs `  ( F `  M )
)  e.  RR )
6665recnd 7927 . . 3  |-  ( ph  ->  ( abs `  ( F `  M )
)  e.  CC )
6738recnd 7927 . . . 4  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  A  e.  CC )
6867, 48expcld 10588 . . 3  |-  ( (
ph  /\  i  e.  ( ( M  + 
1 ) ... N
) )  ->  ( A ^ ( i  -  M ) )  e.  CC )
697, 66, 68fsummulc2 11389 . 2  |-  ( ph  ->  ( ( abs `  ( F `  M )
)  x.  sum_ i  e.  ( ( M  + 
1 ) ... N
) ( A ^
( i  -  M
) ) )  = 
sum_ i  e.  ( ( M  +  1 ) ... N ) ( ( abs `  ( F `  M )
)  x.  ( A ^ ( i  -  M ) ) ) )
7064, 69breqtrrd 4010 1  |-  ( ph  ->  ( abs `  sum_ i  e.  ( ( M  +  1 ) ... N ) ( F `  i ) )  <_  ( ( abs `  ( F `  M ) )  x. 
sum_ i  e.  ( ( M  +  1 ) ... N ) ( A ^ (
i  -  M ) ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 103    = wceq 1343    e. wcel 2136   A.wral 2444   class class class wbr 3982   ` cfv 5188  (class class class)co 5842   CCcc 7751   RRcr 7752   0cc0 7753   1c1 7754    + caddc 7756    x. cmul 7758    < clt 7933    <_ cle 7934    - cmin 8069   NNcn 8857   NN0cn0 9114   ZZcz 9191   ZZ>=cuz 9466   ...cfz 9944   ^cexp 10454   abscabs 10939   sum_csu 11294
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 604  ax-in2 605  ax-io 699  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-10 1493  ax-11 1494  ax-i12 1495  ax-bndl 1497  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-13 2138  ax-14 2139  ax-ext 2147  ax-coll 4097  ax-sep 4100  ax-nul 4108  ax-pow 4153  ax-pr 4187  ax-un 4411  ax-setind 4514  ax-iinf 4565  ax-cnex 7844  ax-resscn 7845  ax-1cn 7846  ax-1re 7847  ax-icn 7848  ax-addcl 7849  ax-addrcl 7850  ax-mulcl 7851  ax-mulrcl 7852  ax-addcom 7853  ax-mulcom 7854  ax-addass 7855  ax-mulass 7856  ax-distr 7857  ax-i2m1 7858  ax-0lt1 7859  ax-1rid 7860  ax-0id 7861  ax-rnegex 7862  ax-precex 7863  ax-cnre 7864  ax-pre-ltirr 7865  ax-pre-ltwlin 7866  ax-pre-lttrn 7867  ax-pre-apti 7868  ax-pre-ltadd 7869  ax-pre-mulgt0 7870  ax-pre-mulext 7871  ax-arch 7872  ax-caucvg 7873
This theorem depends on definitions:  df-bi 116  df-dc 825  df-3or 969  df-3an 970  df-tru 1346  df-fal 1349  df-nf 1449  df-sb 1751  df-eu 2017  df-mo 2018  df-clab 2152  df-cleq 2158  df-clel 2161  df-nfc 2297  df-ne 2337  df-nel 2432  df-ral 2449  df-rex 2450  df-reu 2451  df-rmo 2452  df-rab 2453  df-v 2728  df-sbc 2952  df-csb 3046  df-dif 3118  df-un 3120  df-in 3122  df-ss 3129  df-nul 3410  df-if 3521  df-pw 3561  df-sn 3582  df-pr 3583  df-op 3585  df-uni 3790  df-int 3825  df-iun 3868  df-br 3983  df-opab 4044  df-mpt 4045  df-tr 4081  df-id 4271  df-po 4274  df-iso 4275  df-iord 4344  df-on 4346  df-ilim 4347  df-suc 4349  df-iom 4568  df-xp 4610  df-rel 4611  df-cnv 4612  df-co 4613  df-dm 4614  df-rn 4615  df-res 4616  df-ima 4617  df-iota 5153  df-fun 5190  df-fn 5191  df-f 5192  df-f1 5193  df-fo 5194  df-f1o 5195  df-fv 5196  df-isom 5197  df-riota 5798  df-ov 5845  df-oprab 5846  df-mpo 5847  df-1st 6108  df-2nd 6109  df-recs 6273  df-irdg 6338  df-frec 6359  df-1o 6384  df-oadd 6388  df-er 6501  df-en 6707  df-dom 6708  df-fin 6709  df-pnf 7935  df-mnf 7936  df-xr 7937  df-ltxr 7938  df-le 7939  df-sub 8071  df-neg 8072  df-reap 8473  df-ap 8480  df-div 8569  df-inn 8858  df-2 8916  df-3 8917  df-4 8918  df-n0 9115  df-z 9192  df-uz 9467  df-q 9558  df-rp 9590  df-ico 9830  df-fz 9945  df-fzo 10078  df-seqfrec 10381  df-exp 10455  df-ihash 10689  df-cj 10784  df-re 10785  df-im 10786  df-rsqrt 10940  df-abs 10941  df-clim 11220  df-sumdc 11295
This theorem is referenced by:  cvgratnnlemrate  11471
  Copyright terms: Public domain W3C validator