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Theorem trilpolemclim 13404
Description: Lemma for trilpo 13411. 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 5790 . . . . . 6  |-  ( n  =  k  ->  (
2 ^ n )  =  ( 2 ^ k ) )
32oveq2d 5798 . . . . 5  |-  ( n  =  k  ->  (
1  /  ( 2 ^ n ) )  =  ( 1  / 
( 2 ^ k
) ) )
4 fveq2 5429 . . . . 5  |-  ( n  =  k  ->  ( F `  n )  =  ( F `  k ) )
53, 4oveq12d 5800 . . . 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 9475 . . . . . . . . 9  |-  2  e.  RR+
87a1i 9 . . . . . . . 8  |-  ( (
ph  /\  k  e.  NN )  ->  2  e.  RR+ )
96nnzd 9196 . . . . . . . 8  |-  ( (
ph  /\  k  e.  NN )  ->  k  e.  ZZ )
108, 9rpexpcld 10479 . . . . . . 7  |-  ( (
ph  /\  k  e.  NN )  ->  ( 2 ^ k )  e.  RR+ )
1110rpreccld 9524 . . . . . 6  |-  ( (
ph  /\  k  e.  NN )  ->  ( 1  /  ( 2 ^ k ) )  e.  RR+ )
1211rpred 9513 . . . . 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 7790 . . . . . . 7  |-  0  e.  RR
1513, 14eqeltrdi 2231 . . . . . 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 7789 . . . . . . 7  |-  1  e.  RR
1816, 17eqeltrdi 2231 . . . . . 6  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( F `  k
)  e.  RR )
19 trilpolemgt1.f . . . . . . . 8  |-  ( ph  ->  F : NN --> { 0 ,  1 } )
2019ffvelrnda 5563 . . . . . . 7  |-  ( (
ph  /\  k  e.  NN )  ->  ( F `
 k )  e. 
{ 0 ,  1 } )
21 elpri 3555 . . . . . . 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 788 . . . . 5  |-  ( (
ph  /\  k  e.  NN )  ->  ( F `
 k )  e.  RR )
2412, 23remulcld 7820 . . . 4  |-  ( (
ph  /\  k  e.  NN )  ->  ( ( 1  /  ( 2 ^ k ) )  x.  ( F `  k ) )  e.  RR )
251, 5, 6, 24fvmptd3 5522 . . 3  |-  ( (
ph  /\  k  e.  NN )  ->  ( G `
 k )  =  ( ( 1  / 
( 2 ^ k
) )  x.  ( F `  k )
) )
2625, 24eqeltrd 2217 . 2  |-  ( (
ph  /\  k  e.  NN )  ->  ( G `
 k )  e.  RR )
2711rpge0d 9517 . . . 4  |-  ( (
ph  /\  k  e.  NN )  ->  0  <_ 
( 1  /  (
2 ^ k ) ) )
28 0le0 8833 . . . . . 6  |-  0  <_  0
2928, 13breqtrrid 3974 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
0  <_  ( F `  k ) )
30 0le1 8267 . . . . . 6  |-  0  <_  1
3130, 16breqtrrid 3974 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
0  <_  ( F `  k ) )
3229, 31, 22mpjaodan 788 . . . 4  |-  ( (
ph  /\  k  e.  NN )  ->  0  <_ 
( F `  k
) )
3312, 23, 27, 32mulge0d 8407 . . 3  |-  ( (
ph  /\  k  e.  NN )  ->  0  <_ 
( ( 1  / 
( 2 ^ k
) )  x.  ( F `  k )
) )
3433, 25breqtrrd 3964 . 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 5798 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( ( 1  / 
( 2 ^ k
) )  x.  ( F `  k )
)  =  ( ( 1  /  ( 2 ^ k ) )  x.  0 ) )
3711rpcnd 9515 . . . . . . 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 8179 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  0 )  -> 
( ( 1  / 
( 2 ^ k
) )  x.  0 )  =  0 )
4035, 36, 393eqtrd 2177 . . . 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 3958 . . 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 5798 . . . . 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 7807 . . . . 5  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( ( 1  / 
( 2 ^ k
) )  x.  1 )  =  ( 1  /  ( 2 ^ k ) ) )
4743, 44, 463eqtrd 2177 . . . 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 8300 . . . 4  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( 1  /  (
2 ^ k ) )  <_  ( 1  /  ( 2 ^ k ) ) )
5047, 49eqbrtrd 3958 . . 3  |-  ( ( ( ph  /\  k  e.  NN )  /\  ( F `  k )  =  1 )  -> 
( G `  k
)  <_  ( 1  /  ( 2 ^ k ) ) )
5142, 50, 22mpjaodan 788 . 2  |-  ( (
ph  /\  k  e.  NN )  ->  ( G `
 k )  <_ 
( 1  /  (
2 ^ k ) ) )
5226, 34, 51cvgcmp2n 13403 1  |-  ( ph  ->  seq 1 (  +  ,  G )  e. 
dom 
~~>  )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 103    \/ wo 698    = wceq 1332    e. wcel 1481   {cpr 3533   class class class wbr 3937    |-> cmpt 3997   dom cdm 4547   -->wf 5127   ` cfv 5131  (class class class)co 5782   CCcc 7642   RRcr 7643   0cc0 7644   1c1 7645    + caddc 7647    x. cmul 7649    <_ cle 7825    / cdiv 8456   NNcn 8744   2c2 8795   RR+crp 9470    seqcseq 10249   ^cexp 10323    ~~> cli 11079
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 1424  ax-7 1425  ax-gen 1426  ax-ie1 1470  ax-ie2 1471  ax-8 1483  ax-10 1484  ax-11 1485  ax-i12 1486  ax-bndl 1487  ax-4 1488  ax-13 1492  ax-14 1493  ax-17 1507  ax-i9 1511  ax-ial 1515  ax-i5r 1516  ax-ext 2122  ax-coll 4051  ax-sep 4054  ax-nul 4062  ax-pow 4106  ax-pr 4139  ax-un 4363  ax-setind 4460  ax-iinf 4510  ax-cnex 7735  ax-resscn 7736  ax-1cn 7737  ax-1re 7738  ax-icn 7739  ax-addcl 7740  ax-addrcl 7741  ax-mulcl 7742  ax-mulrcl 7743  ax-addcom 7744  ax-mulcom 7745  ax-addass 7746  ax-mulass 7747  ax-distr 7748  ax-i2m1 7749  ax-0lt1 7750  ax-1rid 7751  ax-0id 7752  ax-rnegex 7753  ax-precex 7754  ax-cnre 7755  ax-pre-ltirr 7756  ax-pre-ltwlin 7757  ax-pre-lttrn 7758  ax-pre-apti 7759  ax-pre-ltadd 7760  ax-pre-mulgt0 7761  ax-pre-mulext 7762  ax-arch 7763  ax-caucvg 7764
This theorem depends on definitions:  df-bi 116  df-dc 821  df-3or 964  df-3an 965  df-tru 1335  df-fal 1338  df-nf 1438  df-sb 1737  df-eu 2003  df-mo 2004  df-clab 2127  df-cleq 2133  df-clel 2136  df-nfc 2271  df-ne 2310  df-nel 2405  df-ral 2422  df-rex 2423  df-reu 2424  df-rmo 2425  df-rab 2426  df-v 2691  df-sbc 2914  df-csb 3008  df-dif 3078  df-un 3080  df-in 3082  df-ss 3089  df-nul 3369  df-if 3480  df-pw 3517  df-sn 3538  df-pr 3539  df-op 3541  df-uni 3745  df-int 3780  df-iun 3823  df-br 3938  df-opab 3998  df-mpt 3999  df-tr 4035  df-id 4223  df-po 4226  df-iso 4227  df-iord 4296  df-on 4298  df-ilim 4299  df-suc 4301  df-iom 4513  df-xp 4553  df-rel 4554  df-cnv 4555  df-co 4556  df-dm 4557  df-rn 4558  df-res 4559  df-ima 4560  df-iota 5096  df-fun 5133  df-fn 5134  df-f 5135  df-f1 5136  df-fo 5137  df-f1o 5138  df-fv 5139  df-isom 5140  df-riota 5738  df-ov 5785  df-oprab 5786  df-mpo 5787  df-1st 6046  df-2nd 6047  df-recs 6210  df-irdg 6275  df-frec 6296  df-1o 6321  df-oadd 6325  df-er 6437  df-en 6643  df-dom 6644  df-fin 6645  df-pnf 7826  df-mnf 7827  df-xr 7828  df-ltxr 7829  df-le 7830  df-sub 7959  df-neg 7960  df-reap 8361  df-ap 8368  df-div 8457  df-inn 8745  df-2 8803  df-3 8804  df-4 8805  df-n0 9002  df-z 9079  df-uz 9351  df-q 9439  df-rp 9471  df-ico 9707  df-fz 9822  df-fzo 9951  df-seqfrec 10250  df-exp 10324  df-ihash 10554  df-cj 10646  df-re 10647  df-im 10648  df-rsqrt 10802  df-abs 10803  df-clim 11080  df-sumdc 11155
This theorem is referenced by:  trilpolemcl  13405  trilpolemisumle  13406  trilpolemeq1  13408  trilpolemlt1  13409
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