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Mirrors > Home > MPE Home > Th. List > radcnvlt2 | Structured version Visualization version GIF version |
Description: If 𝑋 is within the open disk of radius 𝑅 centered at zero, then the infinite series converges at 𝑋. (Contributed by Mario Carneiro, 26-Feb-2015.) |
Ref | Expression |
---|---|
pser.g | ⊢ 𝐺 = (𝑥 ∈ ℂ ↦ (𝑛 ∈ ℕ0 ↦ ((𝐴‘𝑛) · (𝑥↑𝑛)))) |
radcnv.a | ⊢ (𝜑 → 𝐴:ℕ0⟶ℂ) |
radcnv.r | ⊢ 𝑅 = sup({𝑟 ∈ ℝ ∣ seq0( + , (𝐺‘𝑟)) ∈ dom ⇝ }, ℝ*, < ) |
radcnvlt.x | ⊢ (𝜑 → 𝑋 ∈ ℂ) |
radcnvlt.a | ⊢ (𝜑 → (abs‘𝑋) < 𝑅) |
Ref | Expression |
---|---|
radcnvlt2 | ⊢ (𝜑 → seq0( + , (𝐺‘𝑋)) ∈ dom ⇝ ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nn0uz 12268 | . 2 ⊢ ℕ0 = (ℤ≥‘0) | |
2 | 0zd 11981 | . 2 ⊢ (𝜑 → 0 ∈ ℤ) | |
3 | pser.g | . . . 4 ⊢ 𝐺 = (𝑥 ∈ ℂ ↦ (𝑛 ∈ ℕ0 ↦ ((𝐴‘𝑛) · (𝑥↑𝑛)))) | |
4 | radcnv.a | . . . 4 ⊢ (𝜑 → 𝐴:ℕ0⟶ℂ) | |
5 | radcnvlt.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ ℂ) | |
6 | 3, 4, 5 | psergf 25007 | . . 3 ⊢ (𝜑 → (𝐺‘𝑋):ℕ0⟶ℂ) |
7 | fvco3 6737 | . . 3 ⊢ (((𝐺‘𝑋):ℕ0⟶ℂ ∧ 𝑘 ∈ ℕ0) → ((abs ∘ (𝐺‘𝑋))‘𝑘) = (abs‘((𝐺‘𝑋)‘𝑘))) | |
8 | 6, 7 | sylan 583 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((abs ∘ (𝐺‘𝑋))‘𝑘) = (abs‘((𝐺‘𝑋)‘𝑘))) |
9 | 6 | ffvelrnda 6828 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝐺‘𝑋)‘𝑘) ∈ ℂ) |
10 | radcnv.r | . . . 4 ⊢ 𝑅 = sup({𝑟 ∈ ℝ ∣ seq0( + , (𝐺‘𝑟)) ∈ dom ⇝ }, ℝ*, < ) | |
11 | radcnvlt.a | . . . 4 ⊢ (𝜑 → (abs‘𝑋) < 𝑅) | |
12 | id 22 | . . . . . 6 ⊢ (𝑚 = 𝑘 → 𝑚 = 𝑘) | |
13 | 2fveq3 6650 | . . . . . 6 ⊢ (𝑚 = 𝑘 → (abs‘((𝐺‘𝑋)‘𝑚)) = (abs‘((𝐺‘𝑋)‘𝑘))) | |
14 | 12, 13 | oveq12d 7153 | . . . . 5 ⊢ (𝑚 = 𝑘 → (𝑚 · (abs‘((𝐺‘𝑋)‘𝑚))) = (𝑘 · (abs‘((𝐺‘𝑋)‘𝑘)))) |
15 | 14 | cbvmptv 5133 | . . . 4 ⊢ (𝑚 ∈ ℕ0 ↦ (𝑚 · (abs‘((𝐺‘𝑋)‘𝑚)))) = (𝑘 ∈ ℕ0 ↦ (𝑘 · (abs‘((𝐺‘𝑋)‘𝑘)))) |
16 | 3, 4, 10, 5, 11, 15 | radcnvlt1 25013 | . . 3 ⊢ (𝜑 → (seq0( + , (𝑚 ∈ ℕ0 ↦ (𝑚 · (abs‘((𝐺‘𝑋)‘𝑚))))) ∈ dom ⇝ ∧ seq0( + , (abs ∘ (𝐺‘𝑋))) ∈ dom ⇝ )) |
17 | 16 | simprd 499 | . 2 ⊢ (𝜑 → seq0( + , (abs ∘ (𝐺‘𝑋))) ∈ dom ⇝ ) |
18 | 1, 2, 8, 9, 17 | abscvgcvg 15166 | 1 ⊢ (𝜑 → seq0( + , (𝐺‘𝑋)) ∈ dom ⇝ ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1538 ∈ wcel 2111 {crab 3110 class class class wbr 5030 ↦ cmpt 5110 dom cdm 5519 ∘ ccom 5523 ⟶wf 6320 ‘cfv 6324 (class class class)co 7135 supcsup 8888 ℂcc 10524 ℝcr 10525 0cc0 10526 + caddc 10529 · cmul 10531 ℝ*cxr 10663 < clt 10664 ℕ0cn0 11885 seqcseq 13364 ↑cexp 13425 abscabs 14585 ⇝ cli 14833 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-inf2 9088 ax-cnex 10582 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 ax-pre-sup 10604 ax-addf 10605 ax-mulf 10606 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rmo 3114 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-int 4839 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-se 5479 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-isom 6333 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-om 7561 df-1st 7671 df-2nd 7672 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-1o 8085 df-oadd 8089 df-er 8272 df-pm 8392 df-en 8493 df-dom 8494 df-sdom 8495 df-fin 8496 df-sup 8890 df-inf 8891 df-oi 8958 df-card 9352 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-div 11287 df-nn 11626 df-2 11688 df-3 11689 df-n0 11886 df-z 11970 df-uz 12232 df-rp 12378 df-ico 12732 df-icc 12733 df-fz 12886 df-fzo 13029 df-fl 13157 df-seq 13365 df-exp 13426 df-hash 13687 df-cj 14450 df-re 14451 df-im 14452 df-sqrt 14586 df-abs 14587 df-limsup 14820 df-clim 14837 df-rlim 14838 df-sum 15035 |
This theorem is referenced by: pserulm 25017 pserdvlem2 25023 abelthlem3 25028 binomcxplemcvg 41058 |
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