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 488 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → 𝑗 ∈ 𝑍) | |
4 | sge0isummpt2.kph | . . . . . . 7 ⊢ Ⅎ𝑘𝜑 | |
5 | nfv 1922 | . . . . . . 7 ⊢ Ⅎ𝑘 𝑗 ∈ 𝑍 | |
6 | 4, 5 | nfan 1907 | . . . . . 6 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑗 ∈ 𝑍) |
7 | nfcv 2904 | . . . . . . . 8 ⊢ Ⅎ𝑘𝑗 | |
8 | 7 | nfcsb1 3835 | . . . . . . 7 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 |
9 | 8 | nfel1 2920 | . . . . . 6 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞) |
10 | 6, 9 | nfim 1904 | . . . . 5 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞)) |
11 | eleq1w 2820 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ 𝑍 ↔ 𝑗 ∈ 𝑍)) | |
12 | 11 | anbi2d 632 | . . . . . 6 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ 𝑍) ↔ (𝜑 ∧ 𝑗 ∈ 𝑍))) |
13 | csbeq1a 3825 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → 𝐴 = ⦋𝑗 / 𝑘⦌𝐴) | |
14 | 13 | eleq1d 2822 | . . . . . 6 ⊢ (𝑘 = 𝑗 → (𝐴 ∈ (0[,)+∞) ↔ ⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞))) |
15 | 12, 14 | imbi12d 348 | . . . . 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 2238 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞)) |
18 | nfcv 2904 | . . . . . . 7 ⊢ Ⅎ𝑖𝐴 | |
19 | nfcsb1v 3836 | . . . . . . 7 ⊢ Ⅎ𝑘⦋𝑖 / 𝑘⦌𝐴 | |
20 | csbeq1a 3825 | . . . . . . 7 ⊢ (𝑘 = 𝑖 → 𝐴 = ⦋𝑖 / 𝑘⦌𝐴) | |
21 | 18, 19, 20 | cbvmpt 5156 | . . . . . 6 ⊢ (𝑘 ∈ 𝑍 ↦ 𝐴) = (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴) |
22 | 21 | eqcomi 2746 | . . . . 5 ⊢ (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴) = (𝑘 ∈ 𝑍 ↦ 𝐴) |
23 | 7, 8, 13, 22 | fvmptf 6839 | . . . 4 ⊢ ((𝑗 ∈ 𝑍 ∧ ⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞)) → ((𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
24 | 3, 17, 23 | syl2anc 587 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
25 | rge0ssre 13044 | . . . . 5 ⊢ (0[,)+∞) ⊆ ℝ | |
26 | ax-resscn 10786 | . . . . 5 ⊢ ℝ ⊆ ℂ | |
27 | 25, 26 | sstri 3910 | . . . 4 ⊢ (0[,)+∞) ⊆ ℂ |
28 | 27, 17 | sseldi 3899 | . . 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 13582 | . . . . 5 ⊢ (𝜑 → seq𝑀( + , (𝑘 ∈ 𝑍 ↦ 𝐴)) = seq𝑀( + , (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴))) |
32 | 31 | breq1d 5063 | . . . 4 ⊢ (𝜑 → (seq𝑀( + , (𝑘 ∈ 𝑍 ↦ 𝐴)) ⇝ 𝐵 ↔ seq𝑀( + , (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴)) ⇝ 𝐵)) |
33 | 29, 32 | mpbid 235 | . . 3 ⊢ (𝜑 → seq𝑀( + , (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴)) ⇝ 𝐵) |
34 | 1, 2, 24, 28, 33 | isumclim 15321 | . 2 ⊢ (𝜑 → Σ𝑗 ∈ 𝑍 ⦋𝑗 / 𝑘⦌𝐴 = 𝐵) |
35 | nfcv 2904 | . . . 4 ⊢ Ⅎ𝑗𝑍 | |
36 | nfcv 2904 | . . . 4 ⊢ Ⅎ𝑘𝑍 | |
37 | nfcv 2904 | . . . 4 ⊢ Ⅎ𝑗𝐴 | |
38 | 13, 35, 36, 37, 8 | cbvsum 15259 | . . 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 43643 | . 2 ⊢ (𝜑 → (Σ^‘(𝑘 ∈ 𝑍 ↦ 𝐴)) = 𝐵) |
41 | 34, 39, 40 | 3eqtr4rd 2788 | 1 ⊢ (𝜑 → (Σ^‘(𝑘 ∈ 𝑍 ↦ 𝐴)) = Σ𝑘 ∈ 𝑍 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 Ⅎwnf 1791 ∈ wcel 2110 ⦋csb 3811 class class class wbr 5053 ↦ cmpt 5135 ‘cfv 6380 (class class class)co 7213 ℂcc 10727 ℝcr 10728 0cc0 10729 + caddc 10732 +∞cpnf 10864 ℤcz 12176 ℤ≥cuz 12438 [,)cico 12937 seqcseq 13574 ⇝ cli 15045 Σcsu 15249 Σ^csumge0 43575 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-rep 5179 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-inf2 9256 ax-cnex 10785 ax-resscn 10786 ax-1cn 10787 ax-icn 10788 ax-addcl 10789 ax-addrcl 10790 ax-mulcl 10791 ax-mulrcl 10792 ax-mulcom 10793 ax-addass 10794 ax-mulass 10795 ax-distr 10796 ax-i2m1 10797 ax-1ne0 10798 ax-1rid 10799 ax-rnegex 10800 ax-rrecex 10801 ax-cnre 10802 ax-pre-lttri 10803 ax-pre-lttrn 10804 ax-pre-ltadd 10805 ax-pre-mulgt0 10806 ax-pre-sup 10807 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rmo 3069 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-uni 4820 df-int 4860 df-iun 4906 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-se 5510 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-pred 6160 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-isom 6389 df-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-om 7645 df-1st 7761 df-2nd 7762 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-1o 8202 df-er 8391 df-pm 8511 df-en 8627 df-dom 8628 df-sdom 8629 df-fin 8630 df-sup 9058 df-inf 9059 df-oi 9126 df-card 9555 df-pnf 10869 df-mnf 10870 df-xr 10871 df-ltxr 10872 df-le 10873 df-sub 11064 df-neg 11065 df-div 11490 df-nn 11831 df-2 11893 df-3 11894 df-n0 12091 df-z 12177 df-uz 12439 df-rp 12587 df-ico 12941 df-icc 12942 df-fz 13096 df-fzo 13239 df-fl 13367 df-seq 13575 df-exp 13636 df-hash 13897 df-cj 14662 df-re 14663 df-im 14664 df-sqrt 14798 df-abs 14799 df-clim 15049 df-rlim 15050 df-sum 15250 df-sumge0 43576 |
This theorem is referenced by: (None) |
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