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Mirrors > Home > MPE Home > Th. List > climfsum | Structured version Visualization version GIF version |
Description: Limit of a finite sum of converging sequences. Note that 𝐹(𝑘) is a collection of functions with implicit parameter 𝑘, each of which converges to 𝐵(𝑘) as 𝑛 ⇝ +∞. (Contributed by Mario Carneiro, 22-Jul-2014.) (Proof shortened by Mario Carneiro, 22-May-2016.) |
Ref | Expression |
---|---|
climfsum.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
climfsum.2 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
climfsum.3 | ⊢ (𝜑 → 𝐴 ∈ Fin) |
climfsum.5 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐹 ⇝ 𝐵) |
climfsum.6 | ⊢ (𝜑 → 𝐻 ∈ 𝑊) |
climfsum.7 | ⊢ ((𝜑 ∧ (𝑘 ∈ 𝐴 ∧ 𝑛 ∈ 𝑍)) → (𝐹‘𝑛) ∈ ℂ) |
climfsum.8 | ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (𝐻‘𝑛) = Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) |
Ref | Expression |
---|---|
climfsum | ⊢ (𝜑 → 𝐻 ⇝ Σ𝑘 ∈ 𝐴 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | climfsum.8 | . . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (𝐻‘𝑛) = Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) | |
2 | 1 | mpteq2dva 4897 | . . 3 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) = (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛))) |
3 | climfsum.1 | . . . . . . . 8 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
4 | uzssz 11920 | . . . . . . . 8 ⊢ (ℤ≥‘𝑀) ⊆ ℤ | |
5 | 3, 4 | eqsstri 3777 | . . . . . . 7 ⊢ 𝑍 ⊆ ℤ |
6 | zssre 11597 | . . . . . . 7 ⊢ ℤ ⊆ ℝ | |
7 | 5, 6 | sstri 3754 | . . . . . 6 ⊢ 𝑍 ⊆ ℝ |
8 | 7 | a1i 11 | . . . . 5 ⊢ (𝜑 → 𝑍 ⊆ ℝ) |
9 | climfsum.3 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ Fin) | |
10 | fvexd 6366 | . . . . 5 ⊢ ((𝜑 ∧ (𝑛 ∈ 𝑍 ∧ 𝑘 ∈ 𝐴)) → (𝐹‘𝑛) ∈ V) | |
11 | climfsum.5 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐹 ⇝ 𝐵) | |
12 | climfsum.2 | . . . . . . . . 9 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
13 | 12 | adantr 472 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝑀 ∈ ℤ) |
14 | climrel 14443 | . . . . . . . . . 10 ⊢ Rel ⇝ | |
15 | 14 | brrelexi 5316 | . . . . . . . . 9 ⊢ (𝐹 ⇝ 𝐵 → 𝐹 ∈ V) |
16 | 11, 15 | syl 17 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐹 ∈ V) |
17 | eqid 2761 | . . . . . . . . 9 ⊢ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) = (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) | |
18 | 3, 17 | climmpt 14522 | . . . . . . . 8 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ V) → (𝐹 ⇝ 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐵)) |
19 | 13, 16, 18 | syl2anc 696 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝐹 ⇝ 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐵)) |
20 | 11, 19 | mpbid 222 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐵) |
21 | climfsum.7 | . . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑘 ∈ 𝐴 ∧ 𝑛 ∈ 𝑍)) → (𝐹‘𝑛) ∈ ℂ) | |
22 | 21 | anassrs 683 | . . . . . . . 8 ⊢ (((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ 𝑛 ∈ 𝑍) → (𝐹‘𝑛) ∈ ℂ) |
23 | 22, 17 | fmptd 6550 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)):𝑍⟶ℂ) |
24 | 3, 13, 23 | rlimclim 14497 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → ((𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝𝑟 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐵)) |
25 | 20, 24 | mpbird 247 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝𝑟 𝐵) |
26 | 8, 9, 10, 25 | fsumrlim 14763 | . . . 4 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) ⇝𝑟 Σ𝑘 ∈ 𝐴 𝐵) |
27 | 9 | adantr 472 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝐴 ∈ Fin) |
28 | 21 | anass1rs 884 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ 𝑍) ∧ 𝑘 ∈ 𝐴) → (𝐹‘𝑛) ∈ ℂ) |
29 | 27, 28 | fsumcl 14684 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → Σ𝑘 ∈ 𝐴 (𝐹‘𝑛) ∈ ℂ) |
30 | eqid 2761 | . . . . . 6 ⊢ (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) = (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) | |
31 | 29, 30 | fmptd 6550 | . . . . 5 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)):𝑍⟶ℂ) |
32 | 3, 12, 31 | rlimclim 14497 | . . . 4 ⊢ (𝜑 → ((𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) ⇝𝑟 Σ𝑘 ∈ 𝐴 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵)) |
33 | 26, 32 | mpbid 222 | . . 3 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵) |
34 | 2, 33 | eqbrtrd 4827 | . 2 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵) |
35 | climfsum.6 | . . 3 ⊢ (𝜑 → 𝐻 ∈ 𝑊) | |
36 | eqid 2761 | . . . 4 ⊢ (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) = (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) | |
37 | 3, 36 | climmpt 14522 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝐻 ∈ 𝑊) → (𝐻 ⇝ Σ𝑘 ∈ 𝐴 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵)) |
38 | 12, 35, 37 | syl2anc 696 | . 2 ⊢ (𝜑 → (𝐻 ⇝ Σ𝑘 ∈ 𝐴 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵)) |
39 | 34, 38 | mpbird 247 | 1 ⊢ (𝜑 → 𝐻 ⇝ Σ𝑘 ∈ 𝐴 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 ∧ wa 383 = wceq 1632 ∈ wcel 2140 Vcvv 3341 ⊆ wss 3716 class class class wbr 4805 ↦ cmpt 4882 ‘cfv 6050 Fincfn 8124 ℂcc 10147 ℝcr 10148 ℤcz 11590 ℤ≥cuz 11900 ⇝ cli 14435 ⇝𝑟 crli 14436 Σcsu 14636 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1871 ax-4 1886 ax-5 1989 ax-6 2055 ax-7 2091 ax-8 2142 ax-9 2149 ax-10 2169 ax-11 2184 ax-12 2197 ax-13 2392 ax-ext 2741 ax-rep 4924 ax-sep 4934 ax-nul 4942 ax-pow 4993 ax-pr 5056 ax-un 7116 ax-inf2 8714 ax-cnex 10205 ax-resscn 10206 ax-1cn 10207 ax-icn 10208 ax-addcl 10209 ax-addrcl 10210 ax-mulcl 10211 ax-mulrcl 10212 ax-mulcom 10213 ax-addass 10214 ax-mulass 10215 ax-distr 10216 ax-i2m1 10217 ax-1ne0 10218 ax-1rid 10219 ax-rnegex 10220 ax-rrecex 10221 ax-cnre 10222 ax-pre-lttri 10223 ax-pre-lttrn 10224 ax-pre-ltadd 10225 ax-pre-mulgt0 10226 ax-pre-sup 10227 ax-addf 10228 |
This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3or 1073 df-3an 1074 df-tru 1635 df-fal 1638 df-ex 1854 df-nf 1859 df-sb 2048 df-eu 2612 df-mo 2613 df-clab 2748 df-cleq 2754 df-clel 2757 df-nfc 2892 df-ne 2934 df-nel 3037 df-ral 3056 df-rex 3057 df-reu 3058 df-rmo 3059 df-rab 3060 df-v 3343 df-sbc 3578 df-csb 3676 df-dif 3719 df-un 3721 df-in 3723 df-ss 3730 df-pss 3732 df-nul 4060 df-if 4232 df-pw 4305 df-sn 4323 df-pr 4325 df-tp 4327 df-op 4329 df-uni 4590 df-int 4629 df-iun 4675 df-br 4806 df-opab 4866 df-mpt 4883 df-tr 4906 df-id 5175 df-eprel 5180 df-po 5188 df-so 5189 df-fr 5226 df-se 5227 df-we 5228 df-xp 5273 df-rel 5274 df-cnv 5275 df-co 5276 df-dm 5277 df-rn 5278 df-res 5279 df-ima 5280 df-pred 5842 df-ord 5888 df-on 5889 df-lim 5890 df-suc 5891 df-iota 6013 df-fun 6052 df-fn 6053 df-f 6054 df-f1 6055 df-fo 6056 df-f1o 6057 df-fv 6058 df-isom 6059 df-riota 6776 df-ov 6818 df-oprab 6819 df-mpt2 6820 df-om 7233 df-1st 7335 df-2nd 7336 df-wrecs 7578 df-recs 7639 df-rdg 7677 df-1o 7731 df-oadd 7735 df-er 7914 df-pm 8029 df-en 8125 df-dom 8126 df-sdom 8127 df-fin 8128 df-sup 8516 df-inf 8517 df-oi 8583 df-card 8976 df-pnf 10289 df-mnf 10290 df-xr 10291 df-ltxr 10292 df-le 10293 df-sub 10481 df-neg 10482 df-div 10898 df-nn 11234 df-2 11292 df-3 11293 df-n0 11506 df-z 11591 df-uz 11901 df-rp 12047 df-fz 12541 df-fzo 12681 df-fl 12808 df-seq 13017 df-exp 13076 df-hash 13333 df-cj 14059 df-re 14060 df-im 14061 df-sqrt 14195 df-abs 14196 df-clim 14439 df-rlim 14440 df-sum 14637 |
This theorem is referenced by: itg1climres 23701 plyeq0lem 24186 |
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