Theorem cvgratnnlemabsle 12087

Description: Lemma for cvgratnn 12091. (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 9600	. . . . . . 7 |- ( ph -> M e. ZZ )
3	2	peano2zd 9604	. . . . . 6 |- ( ph -> ( M + 1 ) e. ZZ )
4		cvgratnn.n	. . . . . . 7 |- ( ph -> N e. ( ZZ>= ` M ) )
5		eluzelz 9764	. . . . . . 7 |- ( N e. ( ZZ>= ` M ) -> N e. ZZ )
6	4, 5	syl 14	. . . . . 6 |- ( ph -> N e. ZZ )
7	3, 6	fzfigd 10692	. . . . 5 |- ( ph -> ( ( M + 1 ) ... N ) e. Fin )
8		fveq2 5639	. . . . . . 7 |- ( k = i -> ( F ` k ) = ( F ` i ) )
9	8	eleq1d 2300	. . . . . 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 2605	. . . . . . 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 10259	. . . . . . . 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 8179	. . . . . . . 8 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> 0 e. RR )
16	1	peano2nnd 9157	. . . . . . . . . 10 |- ( ph -> ( M + 1 ) e. NN )
17	16	adantr 276	. . . . . . . . 9 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( M + 1 ) e. NN )
18	17	nnred 9155	. . . . . . . 8 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( M + 1 ) e. RR )
19	14	zred 9601	. . . . . . . 8 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> i e. RR )
20	16	nngt0d 9186	. . . . . . . . 9 |- ( ph -> 0 < ( M + 1 ) )
21	20	adantr 276	. . . . . . . 8 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> 0 < ( M + 1 ) )
22		elfzle1 10261	. . . . . . . . 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 8602	. . . . . . 7 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> 0 < i )
25		elnnz 9488	. . . . . . 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 2915	. . . . 5 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( F ` i ) e. CC )
28	7, 27	fsumcl 11960	. . . 4 |- ( ph -> sum_ i e. ( ( M + 1 ) ... N ) ( F ` i ) e. CC )
29	28	abscld 11741	. . 3 |- ( ph -> ( abs ` sum_ i e. ( ( M + 1 ) ... N ) ( F ` i ) ) e. RR )
30	27	abscld 11741	. . . 4 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( abs ` ( F ` i ) ) e. RR )
31	7, 30	fsumrecl 11961	. . 3 |- ( ph -> sum_ i e. ( ( M + 1 ) ... N ) ( abs ` ( F ` i ) ) e. RR )
32		fveq2 5639	. . . . . . . . 9 |- ( k = M -> ( F ` k ) = ( F ` M ) )
33	32	eleq1d 2300	. . . . . . . 8 |- ( k = M -> ( ( F ` k ) e. CC <-> ( F ` M ) e. CC ) )
34	33, 11, 1	rspcdva 2915	. . . . . . 7 |- ( ph -> ( F ` M ) e. CC )
35	34	adantr 276	. . . . . 6 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( F ` M ) e. CC )
36	35	abscld 11741	. . . . 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 9606	. . . . . . 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 9155	. . . . . . . . 9 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> M e. RR )
43	42	lep1d 9110	. . . . . . . . 9 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> M <_ ( M + 1 ) )
44	42, 18, 19, 43, 23	letrd 8302	. . . . . . . 8 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> M <_ i )
45	19, 42	subge0d 8714	. . . . . . . 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 9491	. . . . . . 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 10951	. . . . 5 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( A ^ ( i - M ) ) e. RR )
50	36, 49	remulcld 8209	. . . 4 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( ( abs ` ( F ` M ) ) x. ( A ^ ( i - M ) ) ) e. RR )
51	7, 50	fsumrecl 11961	. . 3 |- ( ph -> sum_ i e. ( ( M + 1 ) ... N ) ( ( abs ` ( F ` M ) ) x. ( A ^ ( i - M ) ) ) e. RR )
52	7, 27	fsumabs 12025	. . 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 9760	. . . . . 6 |- ( i e. ( ZZ>= ` M ) <-> ( M e. ZZ /\ i e. ZZ /\ M <_ i ) )
61	39, 14, 44, 60	syl3anbrc 1207	. . . . 5 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> i e. ( ZZ>= ` M ) )
62	38, 54, 56, 57, 59, 41, 61	cvgratnnlemmn 12085	. . . 4 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( abs ` ( F ` i ) ) <_ ( ( abs ` ( F ` M ) ) x. ( A ^ ( i - M ) ) ) )
63	7, 30, 50, 62	fsumle 12023	. . 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 8302	. 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 11741	. . . 4 |- ( ph -> ( abs ` ( F ` M ) ) e. RR )
66	65	recnd 8207	. . 3 |- ( ph -> ( abs ` ( F ` M ) ) e. CC )
67	38	recnd 8207	. . . 4 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> A e. CC )
68	67, 48	expcld 10934	. . 3 |- ( ( ph /\ i e. ( ( M + 1 ) ... N ) ) -> ( A ^ ( i - M ) ) e. CC )
69	7, 66, 68	fsummulc2 12008	. 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 4116	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 1397   e. wcel 2202   A.wral 2510   class class class wbr 4088   ` cfv 5326  (class class class)co 6017   CCcc 8029   RRcr 8030   0cc0 8031   1c1 8032   + caddc 8034   x. cmul 8036   < clt 8213   <_ cle 8214   - cmin 8349   NNcn 9142   NN0cn0 9401   ZZcz 9478   ZZ>=cuz 9754   ...cfz 10242   ^cexp 10799   abscabs 11557   sum_csu 11913

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 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2204  ax-14 2205  ax-ext 2213  ax-coll 4204  ax-sep 4207  ax-nul 4215  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-setind 4635  ax-iinf 4686  ax-cnex 8122  ax-resscn 8123  ax-1cn 8124  ax-1re 8125  ax-icn 8126  ax-addcl 8127  ax-addrcl 8128  ax-mulcl 8129  ax-mulrcl 8130  ax-addcom 8131  ax-mulcom 8132  ax-addass 8133  ax-mulass 8134  ax-distr 8135  ax-i2m1 8136  ax-0lt1 8137  ax-1rid 8138  ax-0id 8139  ax-rnegex 8140  ax-precex 8141  ax-cnre 8142  ax-pre-ltirr 8143  ax-pre-ltwlin 8144  ax-pre-lttrn 8145  ax-pre-apti 8146  ax-pre-ltadd 8147  ax-pre-mulgt0 8148  ax-pre-mulext 8149  ax-arch 8150  ax-caucvg 8151

This theorem depends on definitions:  df-bi 117  df-dc 842  df-3or 1005  df-3an 1006  df-tru 1400  df-fal 1403  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ne 2403  df-nel 2498  df-ral 2515  df-rex 2516  df-reu 2517  df-rmo 2518  df-rab 2519  df-v 2804  df-sbc 3032  df-csb 3128  df-dif 3202  df-un 3204  df-in 3206  df-ss 3213  df-nul 3495  df-if 3606  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-int 3929  df-iun 3972  df-br 4089  df-opab 4151  df-mpt 4152  df-tr 4188  df-id 4390  df-po 4393  df-iso 4394  df-iord 4463  df-on 4465  df-ilim 4466  df-suc 4468  df-iom 4689  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-rn 4736  df-res 4737  df-ima 4738  df-iota 5286  df-fun 5328  df-fn 5329  df-f 5330  df-f1 5331  df-fo 5332  df-f1o 5333  df-fv 5334  df-isom 5335  df-riota 5970  df-ov 6020  df-oprab 6021  df-mpo 6022  df-1st 6302  df-2nd 6303  df-recs 6470  df-irdg 6535  df-frec 6556  df-1o 6581  df-oadd 6585  df-er 6701  df-en 6909  df-dom 6910  df-fin 6911  df-pnf 8215  df-mnf 8216  df-xr 8217  df-ltxr 8218  df-le 8219  df-sub 8351  df-neg 8352  df-reap 8754  df-ap 8761  df-div 8852  df-inn 9143  df-2 9201  df-3 9202  df-4 9203  df-n0 9402  df-z 9479  df-uz 9755  df-q 9853  df-rp 9888  df-ico 10128  df-fz 10243  df-fzo 10377  df-seqfrec 10709  df-exp 10800  df-ihash 11037  df-cj 11402  df-re 11403  df-im 11404  df-rsqrt 11558  df-abs 11559  df-clim 11839  df-sumdc 11914

This theorem is referenced by:  cvgratnnlemrate  12090