Theorem cvgratnnlemabsle 11553

Description: Lemma for cvgratnn 11557. (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

Step	Hyp	Ref	Expression
1		cvgratnn.m	. . . . . . . 8 |- ( ph -> M e. NN )
2	1	nnzd 9392	. . . . . . 7 |- ( ph -> M e. ZZ )
3	2	peano2zd 9396	. . . . . 6 |- ( ph -> ( M + 1 ) e. ZZ )
4		cvgratnn.n	. . . . . . 7 |- ( ph -> N e. ( ZZ>= ` M ) )
5		eluzelz 9555	. . . . . . 7 |- ( N e. ( ZZ>= ` M ) -> N e. ZZ )
6	4, 5	syl 14	. . . . . 6 |- ( ph -> N e. ZZ )
7	3, 6	fzfigd 10449	. . . . 5 |- ( ph -> ( ( M + 1 ) ... N ) e. Fin )
8		fveq2 5530	. . . . . . 7 |- ( k = i -> ( F ` k ) = ( F ` i ) )
9	8	eleq1d 2258	. . . . . 6 |- ( k = i -> ( ( F ` k ) e. CC <-> ( F ` i ) e. CC ) )
10		cvgratnn.6	. . . . . . . 8 |- ( ( ph /\ k e. NN ) -> ( F ` k ) e. CC )
11	10	ralrimiva 2563	. . . . . . 7 |- ( ph -> A. k e. NN ( F ` k ) e. CC )
12	11	adantr 276	. . . . . 6 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> A. k e. NN ( F ` k ) e. CC )
13		elfzelz 10043	. . . . . . . 8 |- ( i e. ( ( M + 1 ) ... N ) -> i e. ZZ )
14	13	adantl 277	. . . . . . 7 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> i e. ZZ )
15		0red 7976	. . . . . . . 8 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> 0 e. RR )
16	1	peano2nnd 8952	. . . . . . . . . 10 |- ( ph -> ( M + 1 ) e. NN )
17	16	adantr 276	. . . . . . . . 9 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( M + 1 ) e. NN )
18	17	nnred 8950	. . . . . . . 8 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( M + 1 ) e. RR )
19	14	zred 9393	. . . . . . . 8 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> i e. RR )
20	16	nngt0d 8981	. . . . . . . . 9 |- ( ph -> 0 < ( M + 1 ) )
21	20	adantr 276	. . . . . . . 8 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> 0 < ( M + 1 ) )
22		elfzle1 10045	. . . . . . . . 9 |- ( i e. ( ( M + 1 ) ... N ) -> ( M + 1 ) <_ i )
23	22	adantl 277	. . . . . . . 8 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( M + 1 ) <_ i )
24	15, 18, 19, 21, 23	ltletrd 8398	. . . . . . 7 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> 0 < i )
25		elnnz 9281	. . . . . . 7 |- ( i e. NN <-> ( i e. ZZ /\ 0 < i ) )
26	14, 24, 25	sylanbrc 417	. . . . . 6 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> i e. NN )
27	9, 12, 26	rspcdva 2861	. . . . 5 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( F ` i ) e. CC )
28	7, 27	fsumcl 11426	. . . 4 |- ( ph -> sum_ i e. ( ( M + 1 ) ... N ) ( F ` i ) e. CC )
29	28	abscld 11208	. . 3 |- ( ph -> ( abs ` sum_ i e. ( ( M + 1 ) ... N ) ( F ` i ) ) e. RR )
30	27	abscld 11208	. . . 4 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( abs ` ( F ` i ) ) e. RR )
31	7, 30	fsumrecl 11427	. . 3 |- ( ph -> sum_ i e. ( ( M + 1 ) ... N ) ( abs ` ( F ` i ) ) e. RR )
32		fveq2 5530	. . . . . . . . 9 |- ( k = M -> ( F ` k ) = ( F ` M ) )
33	32	eleq1d 2258	. . . . . . . 8 |- ( k = M -> ( ( F ` k ) e. CC <-> ( F ` M ) e. CC ) )
34	33, 11, 1	rspcdva 2861	. . . . . . 7 |- ( ph -> ( F ` M ) e. CC )
35	34	adantr 276	. . . . . 6 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( F ` M ) e. CC )
36	35	abscld 11208	. . . . 5 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( abs ` ( F ` M ) ) e. RR )
37		cvgratnn.3	. . . . . . 7 |- ( ph -> A e. RR )
38	37	adantr 276	. . . . . 6 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> A e. RR )
39	2	adantr 276	. . . . . . . 8 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> M e. ZZ )
40	14, 39	zsubcld 9398	. . . . . . 7 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( i - M ) e. ZZ )
41	1	adantr 276	. . . . . . . . . 10 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> M e. NN )
42	41	nnred 8950	. . . . . . . . 9 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> M e. RR )
43	42	lep1d 8906	. . . . . . . . 9 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> M <_ ( M + 1 ) )
44	42, 18, 19, 43, 23	letrd 8099	. . . . . . . 8 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> M <_ i )
45	19, 42	subge0d 8510	. . . . . . . 8 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( 0 <_ ( i - M ) <-> M <_ i ) )
46	44, 45	mpbird 167	. . . . . . 7 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> 0 <_ ( i - M ) )
47		elnn0z 9284	. . . . . . 7 |- ( ( i - M ) e. NN0 <-> ( ( i - M ) e. ZZ /\ 0 <_ ( i - M ) ) )
48	40, 46, 47	sylanbrc 417	. . . . . 6 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( i - M ) e. NN0 )
49	38, 48	reexpcld 10689	. . . . 5 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( A ^ ( i - M ) ) e. RR )
50	36, 49	remulcld 8006	. . . 4 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( ( abs ` ( F ` M ) ) x. ( A ^ ( i - M ) ) ) e. RR )
51	7, 50	fsumrecl 11427	. . 3 |- ( ph -> sum_ i e. ( ( M + 1 ) ... N ) ( ( abs ` ( F ` M ) ) x. ( A ^ ( i - M ) ) ) e. RR )
52	7, 27	fsumabs 11491	. . 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 )
54	53	adantr 276	. . . . 5 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> A < 1 )
55		cvgratnn.gt0	. . . . . 6 |- ( ph -> 0 < A )
56	55	adantr 276	. . . . 5 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> 0 < A )
57	10	adantlr 477	. . . . 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 ) ) ) )
59	58	adantlr 477	. . . . 5 |- ( ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) /\ k e. NN ) -> ( abs ` ( F ` ( k + 1 ) ) ) <_ ( A x. ( abs ` ( F ` k ) ) ) )
60		eluz2 9552	. . . . . 6 |- ( i e. ( ZZ>= ` M ) <-> ( M e. ZZ /\ i e. ZZ /\ M <_ i ) )
61	39, 14, 44, 60	syl3anbrc 1183	. . . . 5 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> i e. ( ZZ>= ` M ) )
62	38, 54, 56, 57, 59, 41, 61	cvgratnnlemmn 11551	. . . 4 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( abs ` ( F ` i ) ) <_ ( ( abs ` ( F ` M ) ) x. ( A ^ ( i - M ) ) ) )
63	7, 30, 50, 62	fsumle 11489	. . 3 |- ( ph -> sum_ i e. ( ( M + 1 ) ... N ) ( abs ` ( F ` i ) ) <_ sum_ i e. ( ( M + 1 ) ... N ) ( ( abs ` ( F ` M ) ) x. ( A ^ ( i - M ) ) ) )
64	29, 31, 51, 52, 63	letrd 8099	. 2 |- ( ph -> ( abs ` sum_ i e. ( ( M + 1 ) ... N ) ( F ` i ) ) <_ sum_ i e. ( ( M + 1 ) ... N ) ( ( abs ` ( F ` M ) ) x. ( A ^ ( i - M ) ) ) )
65	34	abscld 11208	. . . 4 |- ( ph -> ( abs ` ( F ` M ) ) e. RR )
66	65	recnd 8004	. . 3 |- ( ph -> ( abs ` ( F ` M ) ) e. CC )
67	38	recnd 8004	. . . 4 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> A e. CC )
68	67, 48	expcld 10672	. . 3 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( A ^ ( i - M ) ) e. CC )
69	7, 66, 68	fsummulc2 11474	. 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 ) ) ) )
70	64, 69	breqtrrd 4046	1 |- ( ph -> ( abs ` sum_ i e. ( ( M + 1 ) ... N ) ( F ` i ) ) <_ ( ( abs ` ( F ` M ) ) x. sum_ i e. ( ( M + 1 ) ... N ) ( A ^ ( i - M ) ) ) )

Syntax hints:   -> wi 4   /\ wa 104   = wceq 1364   e. wcel 2160   A.wral 2468   class class class wbr 4018   ` cfv 5231  (class class class)co 5891   CCcc 7827   RRcr 7828   0cc0 7829   1c1 7830   + caddc 7832   x. cmul 7834   < clt 8010   <_ cle 8011   - cmin 8146   NNcn 8937   NN0cn0 9194   ZZcz 9271   ZZ>=cuz 9546   ...cfz 10026   ^cexp 10537   abscabs 11024   sum_csu 11379

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 615  ax-in2 616  ax-io 710  ax-5 1458  ax-7 1459  ax-gen 1460  ax-ie1 1504  ax-ie2 1505  ax-8 1515  ax-10 1516  ax-11 1517  ax-i12 1518  ax-bndl 1520  ax-4 1521  ax-17 1537  ax-i9 1541  ax-ial 1545  ax-i5r 1546  ax-13 2162  ax-14 2163  ax-ext 2171  ax-coll 4133  ax-sep 4136  ax-nul 4144  ax-pow 4189  ax-pr 4224  ax-un 4448  ax-setind 4551  ax-iinf 4602  ax-cnex 7920  ax-resscn 7921  ax-1cn 7922  ax-1re 7923  ax-icn 7924  ax-addcl 7925  ax-addrcl 7926  ax-mulcl 7927  ax-mulrcl 7928  ax-addcom 7929  ax-mulcom 7930  ax-addass 7931  ax-mulass 7932  ax-distr 7933  ax-i2m1 7934  ax-0lt1 7935  ax-1rid 7936  ax-0id 7937  ax-rnegex 7938  ax-precex 7939  ax-cnre 7940  ax-pre-ltirr 7941  ax-pre-ltwlin 7942  ax-pre-lttrn 7943  ax-pre-apti 7944  ax-pre-ltadd 7945  ax-pre-mulgt0 7946  ax-pre-mulext 7947  ax-arch 7948  ax-caucvg 7949

This theorem depends on definitions:  df-bi 117  df-dc 836  df-3or 981  df-3an 982  df-tru 1367  df-fal 1370  df-nf 1472  df-sb 1774  df-eu 2041  df-mo 2042  df-clab 2176  df-cleq 2182  df-clel 2185  df-nfc 2321  df-ne 2361  df-nel 2456  df-ral 2473  df-rex 2474  df-reu 2475  df-rmo 2476  df-rab 2477  df-v 2754  df-sbc 2978  df-csb 3073  df-dif 3146  df-un 3148  df-in 3150  df-ss 3157  df-nul 3438  df-if 3550  df-pw 3592  df-sn 3613  df-pr 3614  df-op 3616  df-uni 3825  df-int 3860  df-iun 3903  df-br 4019  df-opab 4080  df-mpt 4081  df-tr 4117  df-id 4308  df-po 4311  df-iso 4312  df-iord 4381  df-on 4383  df-ilim 4384  df-suc 4386  df-iom 4605  df-xp 4647  df-rel 4648  df-cnv 4649  df-co 4650  df-dm 4651  df-rn 4652  df-res 4653  df-ima 4654  df-iota 5193  df-fun 5233  df-fn 5234  df-f 5235  df-f1 5236  df-fo 5237  df-f1o 5238  df-fv 5239  df-isom 5240  df-riota 5847  df-ov 5894  df-oprab 5895  df-mpo 5896  df-1st 6159  df-2nd 6160  df-recs 6324  df-irdg 6389  df-frec 6410  df-1o 6435  df-oadd 6439  df-er 6553  df-en 6759  df-dom 6760  df-fin 6761  df-pnf 8012  df-mnf 8013  df-xr 8014  df-ltxr 8015  df-le 8016  df-sub 8148  df-neg 8149  df-reap 8550  df-ap 8557  df-div 8648  df-inn 8938  df-2 8996  df-3 8997  df-4 8998  df-n0 9195  df-z 9272  df-uz 9547  df-q 9638  df-rp 9672  df-ico 9912  df-fz 10027  df-fzo 10161  df-seqfrec 10464  df-exp 10538  df-ihash 10774  df-cj 10869  df-re 10870  df-im 10871  df-rsqrt 11025  df-abs 11026  df-clim 11305  df-sumdc 11380

This theorem is referenced by:  cvgratnnlemrate  11556