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Mirrors > Home > MPE Home > Th. List > dchrisum | Structured version Visualization version GIF version |
Description: If 𝑛 ∈ [𝑀, +∞) ↦ 𝐴(𝑛) is a positive decreasing function approaching zero, then the infinite sum Σ𝑛, 𝑋(𝑛)𝐴(𝑛) is convergent, with the partial sum Σ𝑛 ≤ 𝑥, 𝑋(𝑛)𝐴(𝑛) within 𝑂(𝐴(𝑀)) of the limit 𝑇. Lemma 9.4.1 of [Shapiro], p. 377. (Contributed by Mario Carneiro, 2-May-2016.) |
Ref | Expression |
---|---|
rpvmasum.z | ⊢ 𝑍 = (ℤ/nℤ‘𝑁) |
rpvmasum.l | ⊢ 𝐿 = (ℤRHom‘𝑍) |
rpvmasum.a | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
rpvmasum.g | ⊢ 𝐺 = (DChr‘𝑁) |
rpvmasum.d | ⊢ 𝐷 = (Base‘𝐺) |
rpvmasum.1 | ⊢ 1 = (0g‘𝐺) |
dchrisum.b | ⊢ (𝜑 → 𝑋 ∈ 𝐷) |
dchrisum.n1 | ⊢ (𝜑 → 𝑋 ≠ 1 ) |
dchrisum.2 | ⊢ (𝑛 = 𝑥 → 𝐴 = 𝐵) |
dchrisum.3 | ⊢ (𝜑 → 𝑀 ∈ ℕ) |
dchrisum.4 | ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ+) → 𝐴 ∈ ℝ) |
dchrisum.5 | ⊢ ((𝜑 ∧ (𝑛 ∈ ℝ+ ∧ 𝑥 ∈ ℝ+) ∧ (𝑀 ≤ 𝑛 ∧ 𝑛 ≤ 𝑥)) → 𝐵 ≤ 𝐴) |
dchrisum.6 | ⊢ (𝜑 → (𝑛 ∈ ℝ+ ↦ 𝐴) ⇝𝑟 0) |
dchrisum.7 | ⊢ 𝐹 = (𝑛 ∈ ℕ ↦ ((𝑋‘(𝐿‘𝑛)) · 𝐴)) |
Ref | Expression |
---|---|
dchrisum | ⊢ (𝜑 → ∃𝑡∃𝑐 ∈ (0[,)+∞)(seq1( + , 𝐹) ⇝ 𝑡 ∧ ∀𝑥 ∈ (𝑀[,)+∞)(abs‘((seq1( + , 𝐹)‘(⌊‘𝑥)) − 𝑡)) ≤ (𝑐 · 𝐵))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fzofi 12773 | . . 3 ⊢ (0..^𝑁) ∈ Fin | |
2 | fzofi 12773 | . . . . . . 7 ⊢ (0..^𝑢) ∈ Fin | |
3 | 2 | a1i 11 | . . . . . 6 ⊢ (𝜑 → (0..^𝑢) ∈ Fin) |
4 | rpvmasum.g | . . . . . . 7 ⊢ 𝐺 = (DChr‘𝑁) | |
5 | rpvmasum.z | . . . . . . 7 ⊢ 𝑍 = (ℤ/nℤ‘𝑁) | |
6 | rpvmasum.d | . . . . . . 7 ⊢ 𝐷 = (Base‘𝐺) | |
7 | rpvmasum.l | . . . . . . 7 ⊢ 𝐿 = (ℤRHom‘𝑍) | |
8 | dchrisum.b | . . . . . . . 8 ⊢ (𝜑 → 𝑋 ∈ 𝐷) | |
9 | 8 | adantr 481 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑚 ∈ (0..^𝑢)) → 𝑋 ∈ 𝐷) |
10 | elfzoelz 12470 | . . . . . . . 8 ⊢ (𝑚 ∈ (0..^𝑢) → 𝑚 ∈ ℤ) | |
11 | 10 | adantl 482 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑚 ∈ (0..^𝑢)) → 𝑚 ∈ ℤ) |
12 | 4, 5, 6, 7, 9, 11 | dchrzrhcl 24970 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑚 ∈ (0..^𝑢)) → (𝑋‘(𝐿‘𝑚)) ∈ ℂ) |
13 | 3, 12 | fsumcl 14464 | . . . . 5 ⊢ (𝜑 → Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚)) ∈ ℂ) |
14 | 13 | abscld 14175 | . . . 4 ⊢ (𝜑 → (abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ∈ ℝ) |
15 | 14 | ralrimivw 2967 | . . 3 ⊢ (𝜑 → ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ∈ ℝ) |
16 | fimaxre3 10970 | . . 3 ⊢ (((0..^𝑁) ∈ Fin ∧ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ∈ ℝ) → ∃𝑟 ∈ ℝ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟) | |
17 | 1, 15, 16 | sylancr 695 | . 2 ⊢ (𝜑 → ∃𝑟 ∈ ℝ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟) |
18 | rpvmasum.a | . . . 4 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
19 | 18 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ (𝑟 ∈ ℝ ∧ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟)) → 𝑁 ∈ ℕ) |
20 | rpvmasum.1 | . . 3 ⊢ 1 = (0g‘𝐺) | |
21 | 8 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ (𝑟 ∈ ℝ ∧ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟)) → 𝑋 ∈ 𝐷) |
22 | dchrisum.n1 | . . . 4 ⊢ (𝜑 → 𝑋 ≠ 1 ) | |
23 | 22 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ (𝑟 ∈ ℝ ∧ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟)) → 𝑋 ≠ 1 ) |
24 | dchrisum.2 | . . 3 ⊢ (𝑛 = 𝑥 → 𝐴 = 𝐵) | |
25 | dchrisum.3 | . . . 4 ⊢ (𝜑 → 𝑀 ∈ ℕ) | |
26 | 25 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ (𝑟 ∈ ℝ ∧ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟)) → 𝑀 ∈ ℕ) |
27 | dchrisum.4 | . . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ+) → 𝐴 ∈ ℝ) | |
28 | 27 | adantlr 751 | . . 3 ⊢ (((𝜑 ∧ (𝑟 ∈ ℝ ∧ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟)) ∧ 𝑛 ∈ ℝ+) → 𝐴 ∈ ℝ) |
29 | dchrisum.5 | . . . 4 ⊢ ((𝜑 ∧ (𝑛 ∈ ℝ+ ∧ 𝑥 ∈ ℝ+) ∧ (𝑀 ≤ 𝑛 ∧ 𝑛 ≤ 𝑥)) → 𝐵 ≤ 𝐴) | |
30 | 29 | 3adant1r 1319 | . . 3 ⊢ (((𝜑 ∧ (𝑟 ∈ ℝ ∧ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟)) ∧ (𝑛 ∈ ℝ+ ∧ 𝑥 ∈ ℝ+) ∧ (𝑀 ≤ 𝑛 ∧ 𝑛 ≤ 𝑥)) → 𝐵 ≤ 𝐴) |
31 | dchrisum.6 | . . . 4 ⊢ (𝜑 → (𝑛 ∈ ℝ+ ↦ 𝐴) ⇝𝑟 0) | |
32 | 31 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ (𝑟 ∈ ℝ ∧ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟)) → (𝑛 ∈ ℝ+ ↦ 𝐴) ⇝𝑟 0) |
33 | dchrisum.7 | . . 3 ⊢ 𝐹 = (𝑛 ∈ ℕ ↦ ((𝑋‘(𝐿‘𝑛)) · 𝐴)) | |
34 | simprl 794 | . . 3 ⊢ ((𝜑 ∧ (𝑟 ∈ ℝ ∧ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟)) → 𝑟 ∈ ℝ) | |
35 | simprr 796 | . . . 4 ⊢ ((𝜑 ∧ (𝑟 ∈ ℝ ∧ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟)) → ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟) | |
36 | fveq2 6191 | . . . . . . . . . 10 ⊢ (𝑚 = 𝑛 → (𝐿‘𝑚) = (𝐿‘𝑛)) | |
37 | 36 | fveq2d 6195 | . . . . . . . . 9 ⊢ (𝑚 = 𝑛 → (𝑋‘(𝐿‘𝑚)) = (𝑋‘(𝐿‘𝑛))) |
38 | 37 | cbvsumv 14426 | . . . . . . . 8 ⊢ Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚)) = Σ𝑛 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑛)) |
39 | oveq2 6658 | . . . . . . . . 9 ⊢ (𝑢 = 𝑖 → (0..^𝑢) = (0..^𝑖)) | |
40 | 39 | sumeq1d 14431 | . . . . . . . 8 ⊢ (𝑢 = 𝑖 → Σ𝑛 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑛)) = Σ𝑛 ∈ (0..^𝑖)(𝑋‘(𝐿‘𝑛))) |
41 | 38, 40 | syl5eq 2668 | . . . . . . 7 ⊢ (𝑢 = 𝑖 → Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚)) = Σ𝑛 ∈ (0..^𝑖)(𝑋‘(𝐿‘𝑛))) |
42 | 41 | fveq2d 6195 | . . . . . 6 ⊢ (𝑢 = 𝑖 → (abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) = (abs‘Σ𝑛 ∈ (0..^𝑖)(𝑋‘(𝐿‘𝑛)))) |
43 | 42 | breq1d 4663 | . . . . 5 ⊢ (𝑢 = 𝑖 → ((abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟 ↔ (abs‘Σ𝑛 ∈ (0..^𝑖)(𝑋‘(𝐿‘𝑛))) ≤ 𝑟)) |
44 | 43 | cbvralv 3171 | . . . 4 ⊢ (∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟 ↔ ∀𝑖 ∈ (0..^𝑁)(abs‘Σ𝑛 ∈ (0..^𝑖)(𝑋‘(𝐿‘𝑛))) ≤ 𝑟) |
45 | 35, 44 | sylib 208 | . . 3 ⊢ ((𝜑 ∧ (𝑟 ∈ ℝ ∧ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟)) → ∀𝑖 ∈ (0..^𝑁)(abs‘Σ𝑛 ∈ (0..^𝑖)(𝑋‘(𝐿‘𝑛))) ≤ 𝑟) |
46 | 5, 7, 19, 4, 6, 20, 21, 23, 24, 26, 28, 30, 32, 33, 34, 45 | dchrisumlem3 25180 | . 2 ⊢ ((𝜑 ∧ (𝑟 ∈ ℝ ∧ ∀𝑢 ∈ (0..^𝑁)(abs‘Σ𝑚 ∈ (0..^𝑢)(𝑋‘(𝐿‘𝑚))) ≤ 𝑟)) → ∃𝑡∃𝑐 ∈ (0[,)+∞)(seq1( + , 𝐹) ⇝ 𝑡 ∧ ∀𝑥 ∈ (𝑀[,)+∞)(abs‘((seq1( + , 𝐹)‘(⌊‘𝑥)) − 𝑡)) ≤ (𝑐 · 𝐵))) |
47 | 17, 46 | rexlimddv 3035 | 1 ⊢ (𝜑 → ∃𝑡∃𝑐 ∈ (0[,)+∞)(seq1( + , 𝐹) ⇝ 𝑡 ∧ ∀𝑥 ∈ (𝑀[,)+∞)(abs‘((seq1( + , 𝐹)‘(⌊‘𝑥)) − 𝑡)) ≤ (𝑐 · 𝐵))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 384 ∧ w3a 1037 = wceq 1483 ∃wex 1704 ∈ wcel 1990 ≠ wne 2794 ∀wral 2912 ∃wrex 2913 class class class wbr 4653 ↦ cmpt 4729 ‘cfv 5888 (class class class)co 6650 Fincfn 7955 ℝcr 9935 0cc0 9936 1c1 9937 + caddc 9939 · cmul 9941 +∞cpnf 10071 ≤ cle 10075 − cmin 10266 ℕcn 11020 ℤcz 11377 ℝ+crp 11832 [,)cico 12177 ..^cfzo 12465 ⌊cfl 12591 seqcseq 12801 abscabs 13974 ⇝ cli 14215 ⇝𝑟 crli 14216 Σcsu 14416 Basecbs 15857 0gc0g 16100 ℤRHomczrh 19848 ℤ/nℤczn 19851 DChrcdchr 24957 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-inf2 8538 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 ax-pre-sup 10014 ax-addf 10015 ax-mulf 10016 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-fal 1489 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-int 4476 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-se 5074 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-isom 5897 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-of 6897 df-om 7066 df-1st 7168 df-2nd 7169 df-tpos 7352 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-oadd 7564 df-er 7742 df-ec 7744 df-qs 7748 df-map 7859 df-pm 7860 df-en 7956 df-dom 7957 df-sdom 7958 df-fin 7959 df-sup 8348 df-inf 8349 df-oi 8415 df-card 8765 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-div 10685 df-nn 11021 df-2 11079 df-3 11080 df-4 11081 df-5 11082 df-6 11083 df-7 11084 df-8 11085 df-9 11086 df-n0 11293 df-xnn0 11364 df-z 11378 df-dec 11494 df-uz 11688 df-rp 11833 df-ico 12181 df-fz 12327 df-fzo 12466 df-fl 12593 df-mod 12669 df-seq 12802 df-exp 12861 df-hash 13118 df-cj 13839 df-re 13840 df-im 13841 df-sqrt 13975 df-abs 13976 df-limsup 14202 df-clim 14219 df-rlim 14220 df-sum 14417 df-dvds 14984 df-gcd 15217 df-phi 15471 df-struct 15859 df-ndx 15860 df-slot 15861 df-base 15863 df-sets 15864 df-ress 15865 df-plusg 15954 df-mulr 15955 df-starv 15956 df-sca 15957 df-vsca 15958 df-ip 15959 df-tset 15960 df-ple 15961 df-ds 15964 df-unif 15965 df-0g 16102 df-imas 16168 df-qus 16169 df-mgm 17242 df-sgrp 17284 df-mnd 17295 df-mhm 17335 df-grp 17425 df-minusg 17426 df-sbg 17427 df-mulg 17541 df-subg 17591 df-nsg 17592 df-eqg 17593 df-ghm 17658 df-cmn 18195 df-abl 18196 df-mgp 18490 df-ur 18502 df-ring 18549 df-cring 18550 df-oppr 18623 df-dvdsr 18641 df-unit 18642 df-invr 18672 df-rnghom 18715 df-subrg 18778 df-lmod 18865 df-lss 18933 df-lsp 18972 df-sra 19172 df-rgmod 19173 df-lidl 19174 df-rsp 19175 df-2idl 19232 df-cnfld 19747 df-zring 19819 df-zrh 19852 df-zn 19855 df-dchr 24958 |
This theorem is referenced by: dchrmusumlema 25182 dchrvmasumlema 25189 dchrisum0lema 25203 |
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