Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > sge0isummpt2 | Structured version Visualization version GIF version |
Description: If a series of nonnegative reals is convergent, then it agrees with the generalized sum of nonnegative extended reals. (Contributed by Glauco Siliprandi, 11-Oct-2020.) |
Ref | Expression |
---|---|
sge0isummpt2.kph | ⊢ Ⅎ𝑘𝜑 |
sge0isummpt2.a | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐴 ∈ (0[,)+∞)) |
sge0isummpt2.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
sge0isummpt2.z | ⊢ 𝑍 = (ℤ≥‘𝑀) |
sge0isummpt2.b | ⊢ (𝜑 → seq𝑀( + , (𝑘 ∈ 𝑍 ↦ 𝐴)) ⇝ 𝐵) |
Ref | Expression |
---|---|
sge0isummpt2 | ⊢ (𝜑 → (Σ^‘(𝑘 ∈ 𝑍 ↦ 𝐴)) = Σ𝑘 ∈ 𝑍 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sge0isummpt2.z | . . 3 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
2 | sge0isummpt2.m | . . 3 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
3 | simpr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → 𝑗 ∈ 𝑍) | |
4 | sge0isummpt2.kph | . . . . . . 7 ⊢ Ⅎ𝑘𝜑 | |
5 | nfv 1918 | . . . . . . 7 ⊢ Ⅎ𝑘 𝑗 ∈ 𝑍 | |
6 | 4, 5 | nfan 1903 | . . . . . 6 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑗 ∈ 𝑍) |
7 | nfcv 2906 | . . . . . . . 8 ⊢ Ⅎ𝑘𝑗 | |
8 | 7 | nfcsb1 3852 | . . . . . . 7 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 |
9 | 8 | nfel1 2922 | . . . . . 6 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞) |
10 | 6, 9 | nfim 1900 | . . . . 5 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞)) |
11 | eleq1w 2821 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ 𝑍 ↔ 𝑗 ∈ 𝑍)) | |
12 | 11 | anbi2d 628 | . . . . . 6 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ 𝑍) ↔ (𝜑 ∧ 𝑗 ∈ 𝑍))) |
13 | csbeq1a 3842 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → 𝐴 = ⦋𝑗 / 𝑘⦌𝐴) | |
14 | 13 | eleq1d 2823 | . . . . . 6 ⊢ (𝑘 = 𝑗 → (𝐴 ∈ (0[,)+∞) ↔ ⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞))) |
15 | 12, 14 | imbi12d 344 | . . . . 5 ⊢ (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐴 ∈ (0[,)+∞)) ↔ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞)))) |
16 | sge0isummpt2.a | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐴 ∈ (0[,)+∞)) | |
17 | 10, 15, 16 | chvarfv 2236 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞)) |
18 | nfcv 2906 | . . . . . . 7 ⊢ Ⅎ𝑖𝐴 | |
19 | nfcsb1v 3853 | . . . . . . 7 ⊢ Ⅎ𝑘⦋𝑖 / 𝑘⦌𝐴 | |
20 | csbeq1a 3842 | . . . . . . 7 ⊢ (𝑘 = 𝑖 → 𝐴 = ⦋𝑖 / 𝑘⦌𝐴) | |
21 | 18, 19, 20 | cbvmpt 5181 | . . . . . 6 ⊢ (𝑘 ∈ 𝑍 ↦ 𝐴) = (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴) |
22 | 21 | eqcomi 2747 | . . . . 5 ⊢ (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴) = (𝑘 ∈ 𝑍 ↦ 𝐴) |
23 | 7, 8, 13, 22 | fvmptf 6878 | . . . 4 ⊢ ((𝑗 ∈ 𝑍 ∧ ⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞)) → ((𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
24 | 3, 17, 23 | syl2anc 583 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
25 | rge0ssre 13117 | . . . . 5 ⊢ (0[,)+∞) ⊆ ℝ | |
26 | ax-resscn 10859 | . . . . 5 ⊢ ℝ ⊆ ℂ | |
27 | 25, 26 | sstri 3926 | . . . 4 ⊢ (0[,)+∞) ⊆ ℂ |
28 | 27, 17 | sselid 3915 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ) |
29 | sge0isummpt2.b | . . . 4 ⊢ (𝜑 → seq𝑀( + , (𝑘 ∈ 𝑍 ↦ 𝐴)) ⇝ 𝐵) | |
30 | 21 | a1i 11 | . . . . . 6 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ 𝐴) = (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴)) |
31 | 30 | seqeq3d 13657 | . . . . 5 ⊢ (𝜑 → seq𝑀( + , (𝑘 ∈ 𝑍 ↦ 𝐴)) = seq𝑀( + , (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴))) |
32 | 31 | breq1d 5080 | . . . 4 ⊢ (𝜑 → (seq𝑀( + , (𝑘 ∈ 𝑍 ↦ 𝐴)) ⇝ 𝐵 ↔ seq𝑀( + , (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴)) ⇝ 𝐵)) |
33 | 29, 32 | mpbid 231 | . . 3 ⊢ (𝜑 → seq𝑀( + , (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴)) ⇝ 𝐵) |
34 | 1, 2, 24, 28, 33 | isumclim 15397 | . 2 ⊢ (𝜑 → Σ𝑗 ∈ 𝑍 ⦋𝑗 / 𝑘⦌𝐴 = 𝐵) |
35 | nfcv 2906 | . . . 4 ⊢ Ⅎ𝑗𝑍 | |
36 | nfcv 2906 | . . . 4 ⊢ Ⅎ𝑘𝑍 | |
37 | nfcv 2906 | . . . 4 ⊢ Ⅎ𝑗𝐴 | |
38 | 13, 35, 36, 37, 8 | cbvsum 15335 | . . 3 ⊢ Σ𝑘 ∈ 𝑍 𝐴 = Σ𝑗 ∈ 𝑍 ⦋𝑗 / 𝑘⦌𝐴 |
39 | 38 | a1i 11 | . 2 ⊢ (𝜑 → Σ𝑘 ∈ 𝑍 𝐴 = Σ𝑗 ∈ 𝑍 ⦋𝑗 / 𝑘⦌𝐴) |
40 | 4, 16, 2, 1, 29 | sge0isummpt 43858 | . 2 ⊢ (𝜑 → (Σ^‘(𝑘 ∈ 𝑍 ↦ 𝐴)) = 𝐵) |
41 | 34, 39, 40 | 3eqtr4rd 2789 | 1 ⊢ (𝜑 → (Σ^‘(𝑘 ∈ 𝑍 ↦ 𝐴)) = Σ𝑘 ∈ 𝑍 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 Ⅎwnf 1787 ∈ wcel 2108 ⦋csb 3828 class class class wbr 5070 ↦ cmpt 5153 ‘cfv 6418 (class class class)co 7255 ℂcc 10800 ℝcr 10801 0cc0 10802 + caddc 10805 +∞cpnf 10937 ℤcz 12249 ℤ≥cuz 12511 [,)cico 13010 seqcseq 13649 ⇝ cli 15121 Σcsu 15325 Σ^csumge0 43790 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-inf2 9329 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-pre-sup 10880 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-pm 8576 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-sup 9131 df-inf 9132 df-oi 9199 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-2 11966 df-3 11967 df-n0 12164 df-z 12250 df-uz 12512 df-rp 12660 df-ico 13014 df-icc 13015 df-fz 13169 df-fzo 13312 df-fl 13440 df-seq 13650 df-exp 13711 df-hash 13973 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-clim 15125 df-rlim 15126 df-sum 15326 df-sumge0 43791 |
This theorem is referenced by: (None) |
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