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 485 | . . . 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 2908 | . . . . . . . 8 ⊢ Ⅎ𝑘𝑗 | |
8 | 7 | nfcsb1 3857 | . . . . . . 7 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 |
9 | 8 | nfel1 2924 | . . . . . 6 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞) |
10 | 6, 9 | nfim 1900 | . . . . 5 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞)) |
11 | eleq1w 2822 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ 𝑍 ↔ 𝑗 ∈ 𝑍)) | |
12 | 11 | anbi2d 629 | . . . . . 6 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ 𝑍) ↔ (𝜑 ∧ 𝑗 ∈ 𝑍))) |
13 | csbeq1a 3847 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → 𝐴 = ⦋𝑗 / 𝑘⦌𝐴) | |
14 | 13 | eleq1d 2824 | . . . . . 6 ⊢ (𝑘 = 𝑗 → (𝐴 ∈ (0[,)+∞) ↔ ⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞))) |
15 | 12, 14 | imbi12d 345 | . . . . 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 2234 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞)) |
18 | nfcv 2908 | . . . . . . 7 ⊢ Ⅎ𝑖𝐴 | |
19 | nfcsb1v 3858 | . . . . . . 7 ⊢ Ⅎ𝑘⦋𝑖 / 𝑘⦌𝐴 | |
20 | csbeq1a 3847 | . . . . . . 7 ⊢ (𝑘 = 𝑖 → 𝐴 = ⦋𝑖 / 𝑘⦌𝐴) | |
21 | 18, 19, 20 | cbvmpt 5186 | . . . . . 6 ⊢ (𝑘 ∈ 𝑍 ↦ 𝐴) = (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴) |
22 | 21 | eqcomi 2748 | . . . . 5 ⊢ (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴) = (𝑘 ∈ 𝑍 ↦ 𝐴) |
23 | 7, 8, 13, 22 | fvmptf 6905 | . . . 4 ⊢ ((𝑗 ∈ 𝑍 ∧ ⦋𝑗 / 𝑘⦌𝐴 ∈ (0[,)+∞)) → ((𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
24 | 3, 17, 23 | syl2anc 584 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
25 | rge0ssre 13197 | . . . . 5 ⊢ (0[,)+∞) ⊆ ℝ | |
26 | ax-resscn 10937 | . . . . 5 ⊢ ℝ ⊆ ℂ | |
27 | 25, 26 | sstri 3931 | . . . 4 ⊢ (0[,)+∞) ⊆ ℂ |
28 | 27, 17 | sselid 3920 | . . 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 13738 | . . . . 5 ⊢ (𝜑 → seq𝑀( + , (𝑘 ∈ 𝑍 ↦ 𝐴)) = seq𝑀( + , (𝑖 ∈ 𝑍 ↦ ⦋𝑖 / 𝑘⦌𝐴))) |
32 | 31 | breq1d 5085 | . . . 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 15478 | . 2 ⊢ (𝜑 → Σ𝑗 ∈ 𝑍 ⦋𝑗 / 𝑘⦌𝐴 = 𝐵) |
35 | nfcv 2908 | . . . 4 ⊢ Ⅎ𝑗𝑍 | |
36 | nfcv 2908 | . . . 4 ⊢ Ⅎ𝑘𝑍 | |
37 | nfcv 2908 | . . . 4 ⊢ Ⅎ𝑗𝐴 | |
38 | 13, 35, 36, 37, 8 | cbvsum 15416 | . . 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 43975 | . 2 ⊢ (𝜑 → (Σ^‘(𝑘 ∈ 𝑍 ↦ 𝐴)) = 𝐵) |
41 | 34, 39, 40 | 3eqtr4rd 2790 | 1 ⊢ (𝜑 → (Σ^‘(𝑘 ∈ 𝑍 ↦ 𝐴)) = Σ𝑘 ∈ 𝑍 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1539 Ⅎwnf 1786 ∈ wcel 2107 ⦋csb 3833 class class class wbr 5075 ↦ cmpt 5158 ‘cfv 6437 (class class class)co 7284 ℂcc 10878 ℝcr 10879 0cc0 10880 + caddc 10883 +∞cpnf 11015 ℤcz 12328 ℤ≥cuz 12591 [,)cico 13090 seqcseq 13730 ⇝ cli 15202 Σcsu 15406 Σ^csumge0 43907 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2710 ax-rep 5210 ax-sep 5224 ax-nul 5231 ax-pow 5289 ax-pr 5353 ax-un 7597 ax-inf2 9408 ax-cnex 10936 ax-resscn 10937 ax-1cn 10938 ax-icn 10939 ax-addcl 10940 ax-addrcl 10941 ax-mulcl 10942 ax-mulrcl 10943 ax-mulcom 10944 ax-addass 10945 ax-mulass 10946 ax-distr 10947 ax-i2m1 10948 ax-1ne0 10949 ax-1rid 10950 ax-rnegex 10951 ax-rrecex 10952 ax-cnre 10953 ax-pre-lttri 10954 ax-pre-lttrn 10955 ax-pre-ltadd 10956 ax-pre-mulgt0 10957 ax-pre-sup 10958 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2817 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3070 df-rex 3071 df-rmo 3072 df-reu 3073 df-rab 3074 df-v 3435 df-sbc 3718 df-csb 3834 df-dif 3891 df-un 3893 df-in 3895 df-ss 3905 df-pss 3907 df-nul 4258 df-if 4461 df-pw 4536 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4841 df-int 4881 df-iun 4927 df-br 5076 df-opab 5138 df-mpt 5159 df-tr 5193 df-id 5490 df-eprel 5496 df-po 5504 df-so 5505 df-fr 5545 df-se 5546 df-we 5547 df-xp 5596 df-rel 5597 df-cnv 5598 df-co 5599 df-dm 5600 df-rn 5601 df-res 5602 df-ima 5603 df-pred 6206 df-ord 6273 df-on 6274 df-lim 6275 df-suc 6276 df-iota 6395 df-fun 6439 df-fn 6440 df-f 6441 df-f1 6442 df-fo 6443 df-f1o 6444 df-fv 6445 df-isom 6446 df-riota 7241 df-ov 7287 df-oprab 7288 df-mpo 7289 df-om 7722 df-1st 7840 df-2nd 7841 df-frecs 8106 df-wrecs 8137 df-recs 8211 df-rdg 8250 df-1o 8306 df-er 8507 df-pm 8627 df-en 8743 df-dom 8744 df-sdom 8745 df-fin 8746 df-sup 9210 df-inf 9211 df-oi 9278 df-card 9706 df-pnf 11020 df-mnf 11021 df-xr 11022 df-ltxr 11023 df-le 11024 df-sub 11216 df-neg 11217 df-div 11642 df-nn 11983 df-2 12045 df-3 12046 df-n0 12243 df-z 12329 df-uz 12592 df-rp 12740 df-ico 13094 df-icc 13095 df-fz 13249 df-fzo 13392 df-fl 13521 df-seq 13731 df-exp 13792 df-hash 14054 df-cj 14819 df-re 14820 df-im 14821 df-sqrt 14955 df-abs 14956 df-clim 15206 df-rlim 15207 df-sum 15407 df-sumge0 43908 |
This theorem is referenced by: (None) |
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