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Mirrors > Home > ILE Home > Th. List > lmcvg | GIF version |
Description: Convergence property of a converging sequence. (Contributed by Mario Carneiro, 14-Nov-2013.) |
Ref | Expression |
---|---|
lmcvg.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
lmcvg.3 | ⊢ (𝜑 → 𝑃 ∈ 𝑈) |
lmcvg.4 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
lmcvg.5 | ⊢ (𝜑 → 𝐹(⇝𝑡‘𝐽)𝑃) |
lmcvg.6 | ⊢ (𝜑 → 𝑈 ∈ 𝐽) |
Ref | Expression |
---|---|
lmcvg | ⊢ (𝜑 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑈) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lmcvg.3 | . 2 ⊢ (𝜑 → 𝑃 ∈ 𝑈) | |
2 | eleq2 2230 | . . . 4 ⊢ (𝑢 = 𝑈 → (𝑃 ∈ 𝑢 ↔ 𝑃 ∈ 𝑈)) | |
3 | eleq2 2230 | . . . . 5 ⊢ (𝑢 = 𝑈 → ((𝐹‘𝑘) ∈ 𝑢 ↔ (𝐹‘𝑘) ∈ 𝑈)) | |
4 | 3 | rexralbidv 2492 | . . . 4 ⊢ (𝑢 = 𝑈 → (∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑢 ↔ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑈)) |
5 | 2, 4 | imbi12d 233 | . . 3 ⊢ (𝑢 = 𝑈 → ((𝑃 ∈ 𝑢 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑢) ↔ (𝑃 ∈ 𝑈 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑈))) |
6 | lmcvg.5 | . . . . . 6 ⊢ (𝜑 → 𝐹(⇝𝑡‘𝐽)𝑃) | |
7 | lmrcl 12831 | . . . . . . . . 9 ⊢ (𝐹(⇝𝑡‘𝐽)𝑃 → 𝐽 ∈ Top) | |
8 | 6, 7 | syl 14 | . . . . . . . 8 ⊢ (𝜑 → 𝐽 ∈ Top) |
9 | eqid 2165 | . . . . . . . . 9 ⊢ ∪ 𝐽 = ∪ 𝐽 | |
10 | 9 | toptopon 12656 | . . . . . . . 8 ⊢ (𝐽 ∈ Top ↔ 𝐽 ∈ (TopOn‘∪ 𝐽)) |
11 | 8, 10 | sylib 121 | . . . . . . 7 ⊢ (𝜑 → 𝐽 ∈ (TopOn‘∪ 𝐽)) |
12 | lmcvg.1 | . . . . . . 7 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
13 | lmcvg.4 | . . . . . . 7 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
14 | 11, 12, 13 | lmbr2 12854 | . . . . . 6 ⊢ (𝜑 → (𝐹(⇝𝑡‘𝐽)𝑃 ↔ (𝐹 ∈ (∪ 𝐽 ↑pm ℂ) ∧ 𝑃 ∈ ∪ 𝐽 ∧ ∀𝑢 ∈ 𝐽 (𝑃 ∈ 𝑢 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑢))))) |
15 | 6, 14 | mpbid 146 | . . . . 5 ⊢ (𝜑 → (𝐹 ∈ (∪ 𝐽 ↑pm ℂ) ∧ 𝑃 ∈ ∪ 𝐽 ∧ ∀𝑢 ∈ 𝐽 (𝑃 ∈ 𝑢 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑢)))) |
16 | 15 | simp3d 1001 | . . . 4 ⊢ (𝜑 → ∀𝑢 ∈ 𝐽 (𝑃 ∈ 𝑢 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑢))) |
17 | simpr 109 | . . . . . . . 8 ⊢ ((𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑢) → (𝐹‘𝑘) ∈ 𝑢) | |
18 | 17 | ralimi 2529 | . . . . . . 7 ⊢ (∀𝑘 ∈ (ℤ≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑢) → ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑢) |
19 | 18 | reximi 2563 | . . . . . 6 ⊢ (∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑢) → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑢) |
20 | 19 | imim2i 12 | . . . . 5 ⊢ ((𝑃 ∈ 𝑢 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑢)) → (𝑃 ∈ 𝑢 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑢)) |
21 | 20 | ralimi 2529 | . . . 4 ⊢ (∀𝑢 ∈ 𝐽 (𝑃 ∈ 𝑢 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑢)) → ∀𝑢 ∈ 𝐽 (𝑃 ∈ 𝑢 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑢)) |
22 | 16, 21 | syl 14 | . . 3 ⊢ (𝜑 → ∀𝑢 ∈ 𝐽 (𝑃 ∈ 𝑢 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑢)) |
23 | lmcvg.6 | . . 3 ⊢ (𝜑 → 𝑈 ∈ 𝐽) | |
24 | 5, 22, 23 | rspcdva 2835 | . 2 ⊢ (𝜑 → (𝑃 ∈ 𝑈 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑈)) |
25 | 1, 24 | mpd 13 | 1 ⊢ (𝜑 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑈) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ∧ w3a 968 = wceq 1343 ∈ wcel 2136 ∀wral 2444 ∃wrex 2445 ∪ cuni 3789 class class class wbr 3982 dom cdm 4604 ‘cfv 5188 (class class class)co 5842 ↑pm cpm 6615 ℂcc 7751 ℤcz 9191 ℤ≥cuz 9466 Topctop 12635 TopOnctopon 12648 ⇝𝑡clm 12827 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-cnex 7844 ax-resscn 7845 ax-1cn 7846 ax-1re 7847 ax-icn 7848 ax-addcl 7849 ax-addrcl 7850 ax-mulcl 7851 ax-addcom 7853 ax-addass 7855 ax-distr 7857 ax-i2m1 7858 ax-0lt1 7859 ax-0id 7861 ax-rnegex 7862 ax-cnre 7864 ax-pre-ltirr 7865 ax-pre-ltwlin 7866 ax-pre-lttrn 7867 ax-pre-apti 7868 ax-pre-ltadd 7869 |
This theorem depends on definitions: df-bi 116 df-dc 825 df-3or 969 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-nel 2432 df-ral 2449 df-rex 2450 df-reu 2451 df-rab 2453 df-v 2728 df-sbc 2952 df-csb 3046 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-if 3521 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-int 3825 df-iun 3868 df-br 3983 df-opab 4044 df-mpt 4045 df-id 4271 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-res 4616 df-ima 4617 df-iota 5153 df-fun 5190 df-fn 5191 df-f 5192 df-fv 5196 df-riota 5798 df-ov 5845 df-oprab 5846 df-mpo 5847 df-1st 6108 df-2nd 6109 df-pm 6617 df-pnf 7935 df-mnf 7936 df-xr 7937 df-ltxr 7938 df-le 7939 df-sub 8071 df-neg 8072 df-inn 8858 df-n0 9115 df-z 9192 df-uz 9467 df-top 12636 df-topon 12649 df-lm 12830 |
This theorem is referenced by: (None) |
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