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Theorem trilpolemclim 16768
Description: Lemma for trilpo 16775. Convergence of the series. (Contributed by Jim Kingdon, 24-Aug-2023.)
Hypotheses
Ref Expression
trilpolemgt1.f  |-  ( ph  ->  F : NN --> { 0 ,  1 } )
trilpolemclim.g  |-  G  =  ( n  e.  NN  |->  ( ( 1  / 
( 2 ^ n
) )  x.  ( F `  n )
) )
Assertion
Ref Expression
trilpolemclim  |-  ( ph  ->  seq 1 (  +  ,  G )  e. 
dom 
~~>  )
Distinct variable group:    n, F
Allowed substitution hints:    ph( n)    G( n)

Proof of Theorem trilpolemclim
Dummy variable  k is distinct from all other variables.
StepHypRef Expression
1 trilpolemclim.g . . . 4  |-  G  =  ( n  e.  NN  |->  ( ( 1  / 
( 2 ^ n
) )  x.  ( F `  n )
) )
2 oveq2 6036 . . . . . 6  |-  ( n  =  k  ->  (
2 ^ n )  =  ( 2 ^ k ) )
32oveq2d 6044 . . . . 5  |-  ( n  =  k  ->  (
1  /  ( 2 ^ n ) )  =  ( 1  / 
( 2 ^ k
) ) )
4 fveq2 5648 . . . . 5  |-  ( n  =  k  ->  ( F `  n )  =  ( F `  k ) )
53, 4oveq12d 6046 . . . 4  |-  ( n  =  k  ->  (
( 1  /  (
2 ^ n ) )  x.  ( F `
 n ) )  =  ( ( 1  /  ( 2 ^ k ) )  x.  ( F `  k
) ) )
6 simpr 110 . . . 4  |-  ( (
ph  /\  k  e.  NN )  ->  k  e.  NN )
7 2rp 9954 . . . . . . . . 9  |-  2  e.  RR+
87a1i 9 . . . . . . . 8  |-  ( (
ph  /\  k  e.  NN )  ->  2  e.  RR+ )
96nnzd 9662 . . . . . . . 8  |-  ( (
ph  /\  k  e.  NN )  ->  k  e.  ZZ )
108, 9rpexpcld 11022 . . . . . . 7  |-  ( (
ph  /\  k  e.  NN )  ->  ( 2 ^ k )  e.  RR+ )
1110rpreccld 10003 . . . . . 6  |-  ( (
ph  /\  k  e.  NN )  ->  ( 1  /  ( 2 ^ k ) )  e.  RR+ )
1211rpred 9992 . . . . 5  |-  ( (
ph  /\  k  e.  NN )  ->  ( 1  /  ( 2 ^ k ) )  e.  RR )
13 simpr 110 . . . . . . 7  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( F `  k
)  =  0 )
14 0re 8239 . . . . . . 7  |-  0  e.  RR
1513, 14eqeltrdi 2322 . . . . . 6  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( F `  k
)  e.  RR )
16 simpr 110 . . . . . . 7  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( F `  k
)  =  1 )
17 1re 8238 . . . . . . 7  |-  1  e.  RR
1816, 17eqeltrdi 2322 . . . . . 6  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( F `  k
)  e.  RR )
19 trilpolemgt1.f . . . . . . . 8  |-  ( ph  ->  F : NN --> { 0 ,  1 } )
2019ffvelcdmda 5790 . . . . . . 7  |-  ( (
ph  /\  k  e.  NN )  ->  ( F `
 k )  e. 
{ 0 ,  1 } )
21 elpri 3696 . . . . . . 7  |-  ( ( F `  k )  e.  { 0 ,  1 }  ->  (
( F `  k
)  =  0  \/  ( F `  k
)  =  1 ) )
2220, 21syl 14 . . . . . 6  |-  ( (
ph  /\  k  e.  NN )  ->  ( ( F `  k )  =  0  \/  ( F `  k )  =  1 ) )
2315, 18, 22mpjaodan 806 . . . . 5  |-  ( (
ph  /\  k  e.  NN )  ->  ( F `
 k )  e.  RR )
2412, 23remulcld 8269 . . . 4  |-  ( (
ph  /\  k  e.  NN )  ->  ( ( 1  /  ( 2 ^ k ) )  x.  ( F `  k ) )  e.  RR )
251, 5, 6, 24fvmptd3 5749 . . 3  |-  ( (
ph  /\  k  e.  NN )  ->  ( G `
 k )  =  ( ( 1  / 
( 2 ^ k
) )  x.  ( F `  k )
) )
2625, 24eqeltrd 2308 . 2  |-  ( (
ph  /\  k  e.  NN )  ->  ( G `
 k )  e.  RR )
2711rpge0d 9996 . . . 4  |-  ( (
ph  /\  k  e.  NN )  ->  0  <_ 
( 1  /  (
2 ^ k ) ) )
28 0le0 9291 . . . . . 6  |-  0  <_  0
2928, 13breqtrrid 4131 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
0  <_  ( F `  k ) )
30 0le1 8720 . . . . . 6  |-  0  <_  1
3130, 16breqtrrid 4131 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
0  <_  ( F `  k ) )
3229, 31, 22mpjaodan 806 . . . 4  |-  ( (
ph  /\  k  e.  NN )  ->  0  <_ 
( F `  k
) )
3312, 23, 27, 32mulge0d 8860 . . 3  |-  ( (
ph  /\  k  e.  NN )  ->  0  <_ 
( ( 1  / 
( 2 ^ k
) )  x.  ( F `  k )
) )
3433, 25breqtrrd 4121 . 2  |-  ( (
ph  /\  k  e.  NN )  ->  0  <_ 
( G `  k
) )
3525adantr 276 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( G `  k
)  =  ( ( 1  /  ( 2 ^ k ) )  x.  ( F `  k ) ) )
3613oveq2d 6044 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( ( 1  / 
( 2 ^ k
) )  x.  ( F `  k )
)  =  ( ( 1  /  ( 2 ^ k ) )  x.  0 ) )
3711rpcnd 9994 . . . . . . 7  |-  ( (
ph  /\  k  e.  NN )  ->  ( 1  /  ( 2 ^ k ) )  e.  CC )
3837adantr 276 . . . . . 6  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( 1  /  (
2 ^ k ) )  e.  CC )
3938mul01d 8631 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( ( 1  / 
( 2 ^ k
) )  x.  0 )  =  0 )
4035, 36, 393eqtrd 2268 . . . 4  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( G `  k
)  =  0 )
4127adantr 276 . . . 4  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
0  <_  ( 1  /  ( 2 ^ k ) ) )
4240, 41eqbrtrd 4115 . . 3  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( G `  k
)  <_  ( 1  /  ( 2 ^ k ) ) )
4325adantr 276 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( G `  k
)  =  ( ( 1  /  ( 2 ^ k ) )  x.  ( F `  k ) ) )
4416oveq2d 6044 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( ( 1  / 
( 2 ^ k
) )  x.  ( F `  k )
)  =  ( ( 1  /  ( 2 ^ k ) )  x.  1 ) )
4537adantr 276 . . . . . 6  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( 1  /  (
2 ^ k ) )  e.  CC )
4645mulridd 8256 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( ( 1  / 
( 2 ^ k
) )  x.  1 )  =  ( 1  /  ( 2 ^ k ) ) )
4743, 44, 463eqtrd 2268 . . . 4  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( G `  k
)  =  ( 1  /  ( 2 ^ k ) ) )
4812adantr 276 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( 1  /  (
2 ^ k ) )  e.  RR )
4948leidd 8753 . . . 4  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( 1  /  (
2 ^ k ) )  <_  ( 1  /  ( 2 ^ k ) ) )
5047, 49eqbrtrd 4115 . . 3  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( G `  k
)  <_  ( 1  /  ( 2 ^ k ) ) )
5142, 50, 22mpjaodan 806 . 2  |-  ( (
ph  /\  k  e.  NN )  ->  ( G `
 k )  <_ 
( 1  /  (
2 ^ k ) ) )
5226, 34, 51cvgcmp2n 16765 1  |-  ( ph  ->  seq 1 (  +  ,  G )  e. 
dom 
~~>  )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    \/ wo 716    = wceq 1398    e. wcel 2202   {cpr 3674   class class class wbr 4093    |-> cmpt 4155   dom cdm 4731   -->wf 5329   ` cfv 5333  (class class class)co 6028   CCcc 8090   RRcr 8091   0cc0 8092   1c1 8093    + caddc 8095    x. cmul 8097    <_ cle 8274    / cdiv 8911   NNcn 9202   2c2 9253   RR+crp 9949    seqcseq 10772   ^cexp 10863    ~~> cli 11918
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 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2204  ax-14 2205  ax-ext 2213  ax-coll 4209  ax-sep 4212  ax-nul 4220  ax-pow 4270  ax-pr 4305  ax-un 4536  ax-setind 4641  ax-iinf 4692  ax-cnex 8183  ax-resscn 8184  ax-1cn 8185  ax-1re 8186  ax-icn 8187  ax-addcl 8188  ax-addrcl 8189  ax-mulcl 8190  ax-mulrcl 8191  ax-addcom 8192  ax-mulcom 8193  ax-addass 8194  ax-mulass 8195  ax-distr 8196  ax-i2m1 8197  ax-0lt1 8198  ax-1rid 8199  ax-0id 8200  ax-rnegex 8201  ax-precex 8202  ax-cnre 8203  ax-pre-ltirr 8204  ax-pre-ltwlin 8205  ax-pre-lttrn 8206  ax-pre-apti 8207  ax-pre-ltadd 8208  ax-pre-mulgt0 8209  ax-pre-mulext 8210  ax-arch 8211  ax-caucvg 8212
This theorem depends on definitions:  df-bi 117  df-dc 843  df-3or 1006  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-ne 2404  df-nel 2499  df-ral 2516  df-rex 2517  df-reu 2518  df-rmo 2519  df-rab 2520  df-v 2805  df-sbc 3033  df-csb 3129  df-dif 3203  df-un 3205  df-in 3207  df-ss 3214  df-nul 3497  df-if 3608  df-pw 3658  df-sn 3679  df-pr 3680  df-op 3682  df-uni 3899  df-int 3934  df-iun 3977  df-br 4094  df-opab 4156  df-mpt 4157  df-tr 4193  df-id 4396  df-po 4399  df-iso 4400  df-iord 4469  df-on 4471  df-ilim 4472  df-suc 4474  df-iom 4695  df-xp 4737  df-rel 4738  df-cnv 4739  df-co 4740  df-dm 4741  df-rn 4742  df-res 4743  df-ima 4744  df-iota 5293  df-fun 5335  df-fn 5336  df-f 5337  df-f1 5338  df-fo 5339  df-f1o 5340  df-fv 5341  df-isom 5342  df-riota 5981  df-ov 6031  df-oprab 6032  df-mpo 6033  df-1st 6312  df-2nd 6313  df-recs 6514  df-irdg 6579  df-frec 6600  df-1o 6625  df-oadd 6629  df-er 6745  df-en 6953  df-dom 6954  df-fin 6955  df-pnf 8275  df-mnf 8276  df-xr 8277  df-ltxr 8278  df-le 8279  df-sub 8411  df-neg 8412  df-reap 8814  df-ap 8821  df-div 8912  df-inn 9203  df-2 9261  df-3 9262  df-4 9263  df-n0 9462  df-z 9541  df-uz 9817  df-q 9915  df-rp 9950  df-ico 10190  df-fz 10306  df-fzo 10440  df-seqfrec 10773  df-exp 10864  df-ihash 11101  df-cj 11482  df-re 11483  df-im 11484  df-rsqrt 11638  df-abs 11639  df-clim 11919  df-sumdc 11994
This theorem is referenced by:  trilpolemcl  16769  trilpolemisumle  16770  trilpolemeq1  16772  trilpolemlt1  16773  nconstwlpolemgt0  16797
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