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Theorem cvgratnnlembern 11526
Description: Lemma for cvgratnn 11534. Upper bound for a geometric progression of positive ratio less than one. (Contributed by Jim Kingdon, 24-Nov-2022.)
Hypotheses
Ref Expression
cvgratnnlembern.3  |-  ( ph  ->  A  e.  RR )
cvgratnnlembern.4  |-  ( ph  ->  A  <  1 )
cvgratnnlembern.gt0  |-  ( ph  ->  0  <  A )
cvgratnnlembern.m  |-  ( ph  ->  M  e.  NN )
Assertion
Ref Expression
cvgratnnlembern  |-  ( ph  ->  ( A ^ M
)  <  ( (
1  /  ( ( 1  /  A )  -  1 ) )  /  M ) )

Proof of Theorem cvgratnnlembern
StepHypRef Expression
1 cvgratnnlembern.3 . . . . . . . . 9  |-  ( ph  ->  A  e.  RR )
2 cvgratnnlembern.gt0 . . . . . . . . . 10  |-  ( ph  ->  0  <  A )
31, 2gt0ap0d 8584 . . . . . . . . 9  |-  ( ph  ->  A #  0 )
41, 3rerecclapd 8789 . . . . . . . 8  |-  ( ph  ->  ( 1  /  A
)  e.  RR )
5 1red 7971 . . . . . . . 8  |-  ( ph  ->  1  e.  RR )
64, 5resubcld 8336 . . . . . . 7  |-  ( ph  ->  ( ( 1  /  A )  -  1 )  e.  RR )
7 cvgratnnlembern.m . . . . . . . 8  |-  ( ph  ->  M  e.  NN )
87nnred 8930 . . . . . . 7  |-  ( ph  ->  M  e.  RR )
96, 8remulcld 7986 . . . . . 6  |-  ( ph  ->  ( ( ( 1  /  A )  - 
1 )  x.  M
)  e.  RR )
109recnd 7984 . . . . 5  |-  ( ph  ->  ( ( ( 1  /  A )  - 
1 )  x.  M
)  e.  CC )
11 cvgratnnlembern.4 . . . . . . . . . 10  |-  ( ph  ->  A  <  1 )
121, 2elrpd 9691 . . . . . . . . . . 11  |-  ( ph  ->  A  e.  RR+ )
1312reclt1d 9708 . . . . . . . . . 10  |-  ( ph  ->  ( A  <  1  <->  1  <  ( 1  /  A ) ) )
1411, 13mpbid 147 . . . . . . . . 9  |-  ( ph  ->  1  <  ( 1  /  A ) )
155, 4posdifd 8487 . . . . . . . . 9  |-  ( ph  ->  ( 1  <  (
1  /  A )  <->  0  <  ( ( 1  /  A )  -  1 ) ) )
1614, 15mpbid 147 . . . . . . . 8  |-  ( ph  ->  0  <  ( ( 1  /  A )  -  1 ) )
176, 16elrpd 9691 . . . . . . 7  |-  ( ph  ->  ( ( 1  /  A )  -  1 )  e.  RR+ )
187nnrpd 9692 . . . . . . 7  |-  ( ph  ->  M  e.  RR+ )
1917, 18rpmulcld 9711 . . . . . 6  |-  ( ph  ->  ( ( ( 1  /  A )  - 
1 )  x.  M
)  e.  RR+ )
2019rpap0d 9700 . . . . 5  |-  ( ph  ->  ( ( ( 1  /  A )  - 
1 )  x.  M
) #  0 )
2110, 20recrecapd 8740 . . . 4  |-  ( ph  ->  ( 1  /  (
1  /  ( ( ( 1  /  A
)  -  1 )  x.  M ) ) )  =  ( ( ( 1  /  A
)  -  1 )  x.  M ) )
229, 5readdcld 7985 . . . . 5  |-  ( ph  ->  ( ( ( ( 1  /  A )  -  1 )  x.  M )  +  1 )  e.  RR )
237nnnn0d 9227 . . . . . . 7  |-  ( ph  ->  M  e.  NN0 )
241, 23reexpcld 10667 . . . . . 6  |-  ( ph  ->  ( A ^ M
)  e.  RR )
251recnd 7984 . . . . . . 7  |-  ( ph  ->  A  e.  CC )
267nnzd 9372 . . . . . . 7  |-  ( ph  ->  M  e.  ZZ )
2725, 3, 26expap0d 10656 . . . . . 6  |-  ( ph  ->  ( A ^ M
) #  0 )
2824, 27rerecclapd 8789 . . . . 5  |-  ( ph  ->  ( 1  /  ( A ^ M ) )  e.  RR )
299ltp1d 8885 . . . . 5  |-  ( ph  ->  ( ( ( 1  /  A )  - 
1 )  x.  M
)  <  ( (
( ( 1  /  A )  -  1 )  x.  M )  +  1 ) )
30 0le1 8436 . . . . . . . . 9  |-  0  <_  1
3130a1i 9 . . . . . . . 8  |-  ( ph  ->  0  <_  1 )
325, 12, 31divge0d 9735 . . . . . . 7  |-  ( ph  ->  0  <_  ( 1  /  A ) )
33 bernneq2 10638 . . . . . . 7  |-  ( ( ( 1  /  A
)  e.  RR  /\  M  e.  NN0  /\  0  <_  ( 1  /  A
) )  ->  (
( ( ( 1  /  A )  - 
1 )  x.  M
)  +  1 )  <_  ( ( 1  /  A ) ^ M ) )
344, 23, 32, 33syl3anc 1238 . . . . . 6  |-  ( ph  ->  ( ( ( ( 1  /  A )  -  1 )  x.  M )  +  1 )  <_  ( (
1  /  A ) ^ M ) )
3525, 3, 26exprecapd 10658 . . . . . 6  |-  ( ph  ->  ( ( 1  /  A ) ^ M
)  =  ( 1  /  ( A ^ M ) ) )
3634, 35breqtrd 4029 . . . . 5  |-  ( ph  ->  ( ( ( ( 1  /  A )  -  1 )  x.  M )  +  1 )  <_  ( 1  /  ( A ^ M ) ) )
379, 22, 28, 29, 36ltletrd 8378 . . . 4  |-  ( ph  ->  ( ( ( 1  /  A )  - 
1 )  x.  M
)  <  ( 1  /  ( A ^ M ) ) )
3821, 37eqbrtrd 4025 . . 3  |-  ( ph  ->  ( 1  /  (
1  /  ( ( ( 1  /  A
)  -  1 )  x.  M ) ) )  <  ( 1  /  ( A ^ M ) ) )
3912, 26rpexpcld 10674 . . . 4  |-  ( ph  ->  ( A ^ M
)  e.  RR+ )
4019rpreccld 9705 . . . 4  |-  ( ph  ->  ( 1  /  (
( ( 1  /  A )  -  1 )  x.  M ) )  e.  RR+ )
4139, 40ltrecd 9713 . . 3  |-  ( ph  ->  ( ( A ^ M )  <  (
1  /  ( ( ( 1  /  A
)  -  1 )  x.  M ) )  <-> 
( 1  /  (
1  /  ( ( ( 1  /  A
)  -  1 )  x.  M ) ) )  <  ( 1  /  ( A ^ M ) ) ) )
4238, 41mpbird 167 . 2  |-  ( ph  ->  ( A ^ M
)  <  ( 1  /  ( ( ( 1  /  A )  -  1 )  x.  M ) ) )
436recnd 7984 . . 3  |-  ( ph  ->  ( ( 1  /  A )  -  1 )  e.  CC )
447nncnd 8931 . . 3  |-  ( ph  ->  M  e.  CC )
4517rpap0d 9700 . . 3  |-  ( ph  ->  ( ( 1  /  A )  -  1 ) #  0 )
4618rpap0d 9700 . . 3  |-  ( ph  ->  M #  0 )
4743, 44, 45, 46recdivap2d 8763 . 2  |-  ( ph  ->  ( ( 1  / 
( ( 1  /  A )  -  1 ) )  /  M
)  =  ( 1  /  ( ( ( 1  /  A )  -  1 )  x.  M ) ) )
4842, 47breqtrrd 4031 1  |-  ( ph  ->  ( A ^ M
)  <  ( (
1  /  ( ( 1  /  A )  -  1 ) )  /  M ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    e. wcel 2148   class class class wbr 4003  (class class class)co 5874   RRcr 7809   0cc0 7810   1c1 7811    + caddc 7813    x. cmul 7815    < clt 7990    <_ cle 7991    - cmin 8126    / cdiv 8627   NNcn 8917   NN0cn0 9174   ^cexp 10516
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 614  ax-in2 615  ax-io 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-13 2150  ax-14 2151  ax-ext 2159  ax-coll 4118  ax-sep 4121  ax-nul 4129  ax-pow 4174  ax-pr 4209  ax-un 4433  ax-setind 4536  ax-iinf 4587  ax-cnex 7901  ax-resscn 7902  ax-1cn 7903  ax-1re 7904  ax-icn 7905  ax-addcl 7906  ax-addrcl 7907  ax-mulcl 7908  ax-mulrcl 7909  ax-addcom 7910  ax-mulcom 7911  ax-addass 7912  ax-mulass 7913  ax-distr 7914  ax-i2m1 7915  ax-0lt1 7916  ax-1rid 7917  ax-0id 7918  ax-rnegex 7919  ax-precex 7920  ax-cnre 7921  ax-pre-ltirr 7922  ax-pre-ltwlin 7923  ax-pre-lttrn 7924  ax-pre-apti 7925  ax-pre-ltadd 7926  ax-pre-mulgt0 7927  ax-pre-mulext 7928
This theorem depends on definitions:  df-bi 117  df-dc 835  df-3or 979  df-3an 980  df-tru 1356  df-fal 1359  df-nf 1461  df-sb 1763  df-eu 2029  df-mo 2030  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-ne 2348  df-nel 2443  df-ral 2460  df-rex 2461  df-reu 2462  df-rmo 2463  df-rab 2464  df-v 2739  df-sbc 2963  df-csb 3058  df-dif 3131  df-un 3133  df-in 3135  df-ss 3142  df-nul 3423  df-if 3535  df-pw 3577  df-sn 3598  df-pr 3599  df-op 3601  df-uni 3810  df-int 3845  df-iun 3888  df-br 4004  df-opab 4065  df-mpt 4066  df-tr 4102  df-id 4293  df-po 4296  df-iso 4297  df-iord 4366  df-on 4368  df-ilim 4369  df-suc 4371  df-iom 4590  df-xp 4632  df-rel 4633  df-cnv 4634  df-co 4635  df-dm 4636  df-rn 4637  df-res 4638  df-ima 4639  df-iota 5178  df-fun 5218  df-fn 5219  df-f 5220  df-f1 5221  df-fo 5222  df-f1o 5223  df-fv 5224  df-riota 5830  df-ov 5877  df-oprab 5878  df-mpo 5879  df-1st 6140  df-2nd 6141  df-recs 6305  df-frec 6391  df-pnf 7992  df-mnf 7993  df-xr 7994  df-ltxr 7995  df-le 7996  df-sub 8128  df-neg 8129  df-reap 8530  df-ap 8537  df-div 8628  df-inn 8918  df-n0 9175  df-z 9252  df-uz 9527  df-rp 9652  df-seqfrec 10443  df-exp 10517
This theorem is referenced by:  cvgratnnlemfm  11532
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