| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 5206 | . . 3 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) = (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛))) |
| 3 | climfsum.1 | . . . . . . . 8 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 4 | uzssz 12901 | . . . . . . . 8 ⊢ (ℤ≥‘𝑀) ⊆ ℤ | |
| 5 | 3, 4 | eqsstri 3984 | . . . . . . 7 ⊢ 𝑍 ⊆ ℤ |
| 6 | zssre 12615 | . . . . . . 7 ⊢ ℤ ⊆ ℝ | |
| 7 | 5, 6 | sstri 3947 | . . . . . 6 ⊢ 𝑍 ⊆ ℝ |
| 8 | 7 | a1i 11 | . . . . 5 ⊢ (𝜑 → 𝑍 ⊆ ℝ) |
| 9 | climfsum.3 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ Fin) | |
| 10 | fvexd 6900 | . . . . 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 486 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝑀 ∈ ℤ) |
| 14 | climrel 15569 | . . . . . . . . . 10 ⊢ Rel ⇝ | |
| 15 | 14 | brrelex1i 5719 | . . . . . . . . 9 ⊢ (𝐹 ⇝ 𝐵 → 𝐹 ∈ V) |
| 16 | 11, 15 | syl 18 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐹 ∈ V) |
| 17 | eqid 2765 | . . . . . . . . 9 ⊢ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) = (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) | |
| 18 | 3, 17 | climmpt 15648 | . . . . . . . 8 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ V) → (𝐹 ⇝ 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐵)) |
| 19 | 13, 16, 18 | syl2anc 596 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝐹 ⇝ 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐵)) |
| 20 | 11, 19 | mpbid 235 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐵) |
| 21 | climfsum.7 | . . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑘 ∈ 𝐴 ∧ 𝑛 ∈ 𝑍)) → (𝐹‘𝑛) ∈ ℂ) | |
| 22 | 21 | anassrs 473 | . . . . . . . 8 ⊢ (((𝜑 ∧ 𝑘 ∈ 𝐴) ∧ 𝑛 ∈ 𝑍) → (𝐹‘𝑛) ∈ ℂ) |
| 23 | 22 | fmpttd 7114 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)):𝑍⟶ℂ) |
| 24 | 3, 13, 23 | rlimclim 15623 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → ((𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝𝑟 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐵)) |
| 25 | 20, 24 | mpbird 260 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝𝑟 𝐵) |
| 26 | 8, 9, 10, 25 | fsumrlim 15888 | . . . 4 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) ⇝𝑟 Σ𝑘 ∈ 𝐴 𝐵) |
| 27 | 9 | adantr 486 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → 𝐴 ∈ Fin) |
| 28 | 21 | anass1rs 668 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ 𝑍) ∧ 𝑘 ∈ 𝐴) → (𝐹‘𝑛) ∈ ℂ) |
| 29 | 27, 28 | fsumcl 15809 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → Σ𝑘 ∈ 𝐴 (𝐹‘𝑛) ∈ ℂ) |
| 30 | 29 | fmpttd 7114 | . . . . 5 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)):𝑍⟶ℂ) |
| 31 | 3, 12, 30 | rlimclim 15623 | . . . 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 235 | . . 3 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ Σ𝑘 ∈ 𝐴 (𝐹‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵) |
| 33 | 2, 32 | eqbrtrd 5135 | . 2 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵) |
| 34 | climfsum.6 | . . 3 ⊢ (𝜑 → 𝐻 ∈ 𝑊) | |
| 35 | eqid 2765 | . . . 4 ⊢ (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) = (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) | |
| 36 | 3, 35 | climmpt 15648 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝐻 ∈ 𝑊) → (𝐻 ⇝ Σ𝑘 ∈ 𝐴 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵)) |
| 37 | 12, 34, 36 | syl2anc 596 | . 2 ⊢ (𝜑 → (𝐻 ⇝ Σ𝑘 ∈ 𝐴 𝐵 ↔ (𝑛 ∈ 𝑍 ↦ (𝐻‘𝑛)) ⇝ Σ𝑘 ∈ 𝐴 𝐵)) |
| 38 | 33, 37 | mpbird 260 | 1 ⊢ (𝜑 → 𝐻 ⇝ Σ𝑘 ∈ 𝐴 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2146 Vcvv 3457 ⊆ wss 3906 class class class wbr 5111 ↦ cmpt 5194 ‘cfv 6540 Fincfn 8949 ℂcc 11115 ℝcr 11116 ℤcz 12608 ℤ≥cuz 12880 ⇝ cli 15561 ⇝𝑟 crli 15562 Σcsu 15763 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-inf2 9617 ax-cnex 11173 ax-resscn 11174 ax-1cn 11175 ax-icn 11176 ax-addcl 11177 ax-addrcl 11178 ax-mulcl 11179 ax-mulrcl 11180 ax-mulcom 11181 ax-addass 11182 ax-mulass 11183 ax-distr 11184 ax-i2m1 11185 ax-1ne0 11186 ax-1rid 11187 ax-rnegex 11188 ax-rrecex 11189 ax-cnre 11190 ax-pre-lttri 11191 ax-pre-lttrn 11192 ax-pre-ltadd 11193 ax-pre-mulgt0 11194 ax-pre-sup 11195 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-int 4915 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-se 5617 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-isom 6549 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-er 8700 df-pm 8833 df-en 8950 df-dom 8951 df-sdom 8952 df-fin 8953 df-sup 9409 df-inf 9410 df-oi 9479 df-card 9941 df-pnf 11262 df-mnf 11263 df-xr 11264 df-ltxr 11265 df-le 11266 df-sub 11460 df-neg 11461 df-div 11889 df-nn 12251 df-2 12320 df-3 12321 df-n0 12522 df-z 12609 df-uz 12881 df-rp 13035 df-fz 13554 df-fzo 13702 df-fl 13845 df-seq 14058 df-exp 14118 df-hash 14387 df-cj 15176 df-re 15177 df-im 15178 df-sqrt 15312 df-abs 15313 df-clim 15565 df-rlim 15566 df-sum 15764 |
| This theorem is used by: itg1climres 25926 plyeq0lem 26420 |
| Copyright terms: Public domain | W3C validator |