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Theorem trilpolemclim 14068
Description: Lemma for trilpo 14075. 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 5861 . . . . . 6  |-  ( n  =  k  ->  (
2 ^ n )  =  ( 2 ^ k ) )
32oveq2d 5869 . . . . 5  |-  ( n  =  k  ->  (
1  /  ( 2 ^ n ) )  =  ( 1  / 
( 2 ^ k
) ) )
4 fveq2 5496 . . . . 5  |-  ( n  =  k  ->  ( F `  n )  =  ( F `  k ) )
53, 4oveq12d 5871 . . . 4  |-  ( n  =  k  ->  (
( 1  /  (
2 ^ n ) )  x.  ( F `
 n ) )  =  ( ( 1  /  ( 2 ^ k ) )  x.  ( F `  k
) ) )
6 simpr 109 . . . 4  |-  ( (
ph  /\  k  e.  NN )  ->  k  e.  NN )
7 2rp 9615 . . . . . . . . 9  |-  2  e.  RR+
87a1i 9 . . . . . . . 8  |-  ( (
ph  /\  k  e.  NN )  ->  2  e.  RR+ )
96nnzd 9333 . . . . . . . 8  |-  ( (
ph  /\  k  e.  NN )  ->  k  e.  ZZ )
108, 9rpexpcld 10633 . . . . . . 7  |-  ( (
ph  /\  k  e.  NN )  ->  ( 2 ^ k )  e.  RR+ )
1110rpreccld 9664 . . . . . 6  |-  ( (
ph  /\  k  e.  NN )  ->  ( 1  /  ( 2 ^ k ) )  e.  RR+ )
1211rpred 9653 . . . . 5  |-  ( (
ph  /\  k  e.  NN )  ->  ( 1  /  ( 2 ^ k ) )  e.  RR )
13 simpr 109 . . . . . . 7  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( F `  k
)  =  0 )
14 0re 7920 . . . . . . 7  |-  0  e.  RR
1513, 14eqeltrdi 2261 . . . . . 6  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( F `  k
)  e.  RR )
16 simpr 109 . . . . . . 7  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( F `  k
)  =  1 )
17 1re 7919 . . . . . . 7  |-  1  e.  RR
1816, 17eqeltrdi 2261 . . . . . 6  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( F `  k
)  e.  RR )
19 trilpolemgt1.f . . . . . . . 8  |-  ( ph  ->  F : NN --> { 0 ,  1 } )
2019ffvelrnda 5631 . . . . . . 7  |-  ( (
ph  /\  k  e.  NN )  ->  ( F `
 k )  e. 
{ 0 ,  1 } )
21 elpri 3606 . . . . . . 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 793 . . . . 5  |-  ( (
ph  /\  k  e.  NN )  ->  ( F `
 k )  e.  RR )
2412, 23remulcld 7950 . . . 4  |-  ( (
ph  /\  k  e.  NN )  ->  ( ( 1  /  ( 2 ^ k ) )  x.  ( F `  k ) )  e.  RR )
251, 5, 6, 24fvmptd3 5589 . . 3  |-  ( (
ph  /\  k  e.  NN )  ->  ( G `
 k )  =  ( ( 1  / 
( 2 ^ k
) )  x.  ( F `  k )
) )
2625, 24eqeltrd 2247 . 2  |-  ( (
ph  /\  k  e.  NN )  ->  ( G `
 k )  e.  RR )
2711rpge0d 9657 . . . 4  |-  ( (
ph  /\  k  e.  NN )  ->  0  <_ 
( 1  /  (
2 ^ k ) ) )
28 0le0 8967 . . . . . 6  |-  0  <_  0
2928, 13breqtrrid 4027 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
0  <_  ( F `  k ) )
30 0le1 8400 . . . . . 6  |-  0  <_  1
3130, 16breqtrrid 4027 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
0  <_  ( F `  k ) )
3229, 31, 22mpjaodan 793 . . . 4  |-  ( (
ph  /\  k  e.  NN )  ->  0  <_ 
( F `  k
) )
3312, 23, 27, 32mulge0d 8540 . . 3  |-  ( (
ph  /\  k  e.  NN )  ->  0  <_ 
( ( 1  / 
( 2 ^ k
) )  x.  ( F `  k )
) )
3433, 25breqtrrd 4017 . 2  |-  ( (
ph  /\  k  e.  NN )  ->  0  <_ 
( G `  k
) )
3525adantr 274 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( G `  k
)  =  ( ( 1  /  ( 2 ^ k ) )  x.  ( F `  k ) ) )
3613oveq2d 5869 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( ( 1  / 
( 2 ^ k
) )  x.  ( F `  k )
)  =  ( ( 1  /  ( 2 ^ k ) )  x.  0 ) )
3711rpcnd 9655 . . . . . . 7  |-  ( (
ph  /\  k  e.  NN )  ->  ( 1  /  ( 2 ^ k ) )  e.  CC )
3837adantr 274 . . . . . 6  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( 1  /  (
2 ^ k ) )  e.  CC )
3938mul01d 8312 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( ( 1  / 
( 2 ^ k
) )  x.  0 )  =  0 )
4035, 36, 393eqtrd 2207 . . . 4  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( G `  k
)  =  0 )
4127adantr 274 . . . 4  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
0  <_  ( 1  /  ( 2 ^ k ) ) )
4240, 41eqbrtrd 4011 . . 3  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( G `  k
)  <_  ( 1  /  ( 2 ^ k ) ) )
4325adantr 274 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( G `  k
)  =  ( ( 1  /  ( 2 ^ k ) )  x.  ( F `  k ) ) )
4416oveq2d 5869 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( ( 1  / 
( 2 ^ k
) )  x.  ( F `  k )
)  =  ( ( 1  /  ( 2 ^ k ) )  x.  1 ) )
4537adantr 274 . . . . . 6  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( 1  /  (
2 ^ k ) )  e.  CC )
4645mulid1d 7937 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( ( 1  / 
( 2 ^ k
) )  x.  1 )  =  ( 1  /  ( 2 ^ k ) ) )
4743, 44, 463eqtrd 2207 . . . 4  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( G `  k
)  =  ( 1  /  ( 2 ^ k ) ) )
4812adantr 274 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( 1  /  (
2 ^ k ) )  e.  RR )
4948leidd 8433 . . . 4  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( 1  /  (
2 ^ k ) )  <_  ( 1  /  ( 2 ^ k ) ) )
5047, 49eqbrtrd 4011 . . 3  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( G `  k
)  <_  ( 1  /  ( 2 ^ k ) ) )
5142, 50, 22mpjaodan 793 . 2  |-  ( (
ph  /\  k  e.  NN )  ->  ( G `
 k )  <_ 
( 1  /  (
2 ^ k ) ) )
5226, 34, 51cvgcmp2n 14065 1  |-  ( ph  ->  seq 1 (  +  ,  G )  e. 
dom 
~~>  )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 103    \/ wo 703    = wceq 1348    e. wcel 2141   {cpr 3584   class class class wbr 3989    |-> cmpt 4050   dom cdm 4611   -->wf 5194   ` cfv 5198  (class class class)co 5853   CCcc 7772   RRcr 7773   0cc0 7774   1c1 7775    + caddc 7777    x. cmul 7779    <_ cle 7955    / cdiv 8589   NNcn 8878   2c2 8929   RR+crp 9610    seqcseq 10401   ^cexp 10475    ~~> cli 11241
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 609  ax-in2 610  ax-io 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-13 2143  ax-14 2144  ax-ext 2152  ax-coll 4104  ax-sep 4107  ax-nul 4115  ax-pow 4160  ax-pr 4194  ax-un 4418  ax-setind 4521  ax-iinf 4572  ax-cnex 7865  ax-resscn 7866  ax-1cn 7867  ax-1re 7868  ax-icn 7869  ax-addcl 7870  ax-addrcl 7871  ax-mulcl 7872  ax-mulrcl 7873  ax-addcom 7874  ax-mulcom 7875  ax-addass 7876  ax-mulass 7877  ax-distr 7878  ax-i2m1 7879  ax-0lt1 7880  ax-1rid 7881  ax-0id 7882  ax-rnegex 7883  ax-precex 7884  ax-cnre 7885  ax-pre-ltirr 7886  ax-pre-ltwlin 7887  ax-pre-lttrn 7888  ax-pre-apti 7889  ax-pre-ltadd 7890  ax-pre-mulgt0 7891  ax-pre-mulext 7892  ax-arch 7893  ax-caucvg 7894
This theorem depends on definitions:  df-bi 116  df-dc 830  df-3or 974  df-3an 975  df-tru 1351  df-fal 1354  df-nf 1454  df-sb 1756  df-eu 2022  df-mo 2023  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-ne 2341  df-nel 2436  df-ral 2453  df-rex 2454  df-reu 2455  df-rmo 2456  df-rab 2457  df-v 2732  df-sbc 2956  df-csb 3050  df-dif 3123  df-un 3125  df-in 3127  df-ss 3134  df-nul 3415  df-if 3527  df-pw 3568  df-sn 3589  df-pr 3590  df-op 3592  df-uni 3797  df-int 3832  df-iun 3875  df-br 3990  df-opab 4051  df-mpt 4052  df-tr 4088  df-id 4278  df-po 4281  df-iso 4282  df-iord 4351  df-on 4353  df-ilim 4354  df-suc 4356  df-iom 4575  df-xp 4617  df-rel 4618  df-cnv 4619  df-co 4620  df-dm 4621  df-rn 4622  df-res 4623  df-ima 4624  df-iota 5160  df-fun 5200  df-fn 5201  df-f 5202  df-f1 5203  df-fo 5204  df-f1o 5205  df-fv 5206  df-isom 5207  df-riota 5809  df-ov 5856  df-oprab 5857  df-mpo 5858  df-1st 6119  df-2nd 6120  df-recs 6284  df-irdg 6349  df-frec 6370  df-1o 6395  df-oadd 6399  df-er 6513  df-en 6719  df-dom 6720  df-fin 6721  df-pnf 7956  df-mnf 7957  df-xr 7958  df-ltxr 7959  df-le 7960  df-sub 8092  df-neg 8093  df-reap 8494  df-ap 8501  df-div 8590  df-inn 8879  df-2 8937  df-3 8938  df-4 8939  df-n0 9136  df-z 9213  df-uz 9488  df-q 9579  df-rp 9611  df-ico 9851  df-fz 9966  df-fzo 10099  df-seqfrec 10402  df-exp 10476  df-ihash 10710  df-cj 10806  df-re 10807  df-im 10808  df-rsqrt 10962  df-abs 10963  df-clim 11242  df-sumdc 11317
This theorem is referenced by:  trilpolemcl  14069  trilpolemisumle  14070  trilpolemeq1  14072  trilpolemlt1  14073  nconstwlpolemgt0  14095
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