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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 5185 | . . 3 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) = (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛))) |
| 3 | climfsum.1 | . . . . . . . 8 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 4 | uzssz 12756 | . . . . . . . 8 ⊢ (ℤ≥‘𝑀) ⊆ ℤ | |
| 5 | 3, 4 | eqsstri 3982 | . . . . . . 7 ⊢ 𝑍 ⊆ ℤ |
| 6 | zssre 12478 | . . . . . . 7 ⊢ ℤ ⊆ ℝ | |
| 7 | 5, 6 | sstri 3945 | . . . . . 6 ⊢ 𝑍 ⊆ ℝ |
| 8 | 7 | a1i 11 | . . . . 5 ⊢ (𝜑 → 𝑍 ⊆ ℝ) |
| 9 | climfsum.3 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ Fin) | |
| 10 | fvexd 6837 | . . . . 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 480 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝑀 ∈ ℤ) |
| 14 | climrel 15399 | . . . . . . . . . 10 ⊢ Rel ⇝ | |
| 15 | 14 | brrelex1i 5675 | . . . . . . . . 9 ⊢ (𝐹 ⇝ 𝐵 → 𝐹 ∈ V) |
| 16 | 11, 15 | syl 17 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐹 ∈ V) |
| 17 | eqid 2729 | . . . . . . . . 9 ⊢ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) = (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) | |
| 18 | 3, 17 | climmpt 15478 | . . . . . . . 8 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ V) → (𝐹 ⇝ 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐵)) |
| 19 | 13, 16, 18 | syl2anc 584 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝐹 ⇝ 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐵)) |
| 20 | 11, 19 | mpbid 232 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐵) |
| 21 | climfsum.7 | . . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑘 ∈ 𝐴 ∧ 𝑛 ∈ 𝑍)) → (𝐹‘𝑛) ∈ ℂ) | |
| 22 | 21 | anassrs 467 | . . . . . . . 8 ⊢ (((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ 𝑛 ∈ 𝑍) → (𝐹‘𝑛) ∈ ℂ) |
| 23 | 22 | fmpttd 7049 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)):𝑍⟶ℂ) |
| 24 | 3, 13, 23 | rlimclim 15453 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → ((𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝𝑟 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐵)) |
| 25 | 20, 24 | mpbird 257 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝𝑟 𝐵) |
| 26 | 8, 9, 10, 25 | fsumrlim 15718 | . . . 4 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) ⇝𝑟 Σ𝑘 ∈ 𝐴 𝐵) |
| 27 | 9 | adantr 480 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝐴 ∈ Fin) |
| 28 | 21 | anass1rs 655 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ 𝑍) ∧ 𝑘 ∈ 𝐴) → (𝐹‘𝑛) ∈ ℂ) |
| 29 | 27, 28 | fsumcl 15640 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → Σ𝑘 ∈ 𝐴 (𝐹‘𝑛) ∈ ℂ) |
| 30 | 29 | fmpttd 7049 | . . . . 5 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)):𝑍⟶ℂ) |
| 31 | 3, 12, 30 | rlimclim 15453 | . . . 4 ⊢ (𝜑 → ((𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) ⇝𝑟 Σ𝑘 ∈ 𝐴 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵)) |
| 32 | 26, 31 | mpbid 232 | . . 3 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵) |
| 33 | 2, 32 | eqbrtrd 5114 | . 2 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵) |
| 34 | climfsum.6 | . . 3 ⊢ (𝜑 → 𝐻 ∈ 𝑊) | |
| 35 | eqid 2729 | . . . 4 ⊢ (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) = (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) | |
| 36 | 3, 35 | climmpt 15478 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝐻 ∈ 𝑊) → (𝐻 ⇝ Σ𝑘 ∈ 𝐴 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵)) |
| 37 | 12, 34, 36 | syl2anc 584 | . 2 ⊢ (𝜑 → (𝐻 ⇝ Σ𝑘 ∈ 𝐴 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵)) |
| 38 | 33, 37 | mpbird 257 | 1 ⊢ (𝜑 → 𝐻 ⇝ Σ𝑘 ∈ 𝐴 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1540 ∈ wcel 2109 Vcvv 3436 ⊆ wss 3903 class class class wbr 5092 ↦ cmpt 5173 ‘cfv 6482 Fincfn 8872 ℂcc 11007 ℝcr 11008 ℤcz 12471 ℤ≥cuz 12735 ⇝ cli 15391 ⇝𝑟 crli 15392 Σcsu 15593 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5218 ax-sep 5235 ax-nul 5245 ax-pow 5304 ax-pr 5371 ax-un 7671 ax-inf2 9537 ax-cnex 11065 ax-resscn 11066 ax-1cn 11067 ax-icn 11068 ax-addcl 11069 ax-addrcl 11070 ax-mulcl 11071 ax-mulrcl 11072 ax-mulcom 11073 ax-addass 11074 ax-mulass 11075 ax-distr 11076 ax-i2m1 11077 ax-1ne0 11078 ax-1rid 11079 ax-rnegex 11080 ax-rrecex 11081 ax-cnre 11082 ax-pre-lttri 11083 ax-pre-lttrn 11084 ax-pre-ltadd 11085 ax-pre-mulgt0 11086 ax-pre-sup 11087 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3343 df-reu 3344 df-rab 3395 df-v 3438 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4285 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4859 df-int 4897 df-iun 4943 df-br 5093 df-opab 5155 df-mpt 5174 df-tr 5200 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-se 5573 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6249 df-ord 6310 df-on 6311 df-lim 6312 df-suc 6313 df-iota 6438 df-fun 6484 df-fn 6485 df-f 6486 df-f1 6487 df-fo 6488 df-f1o 6489 df-fv 6490 df-isom 6491 df-riota 7306 df-ov 7352 df-oprab 7353 df-mpo 7354 df-om 7800 df-1st 7924 df-2nd 7925 df-frecs 8214 df-wrecs 8245 df-recs 8294 df-rdg 8332 df-1o 8388 df-er 8625 df-pm 8756 df-en 8873 df-dom 8874 df-sdom 8875 df-fin 8876 df-sup 9332 df-inf 9333 df-oi 9402 df-card 9835 df-pnf 11151 df-mnf 11152 df-xr 11153 df-ltxr 11154 df-le 11155 df-sub 11349 df-neg 11350 df-div 11778 df-nn 12129 df-2 12191 df-3 12192 df-n0 12385 df-z 12472 df-uz 12736 df-rp 12894 df-fz 13411 df-fzo 13558 df-fl 13696 df-seq 13909 df-exp 13969 df-hash 14238 df-cj 15006 df-re 15007 df-im 15008 df-sqrt 15142 df-abs 15143 df-clim 15395 df-rlim 15396 df-sum 15594 |
| This theorem is referenced by: itg1climres 25613 plyeq0lem 26113 |
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