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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 2218 | . . . 4 ⊢ (𝑢 = 𝑈 → (𝑃 ∈ 𝑢 ↔ 𝑃 ∈ 𝑈)) | |
3 | eleq2 2218 | . . . . 5 ⊢ (𝑢 = 𝑈 → ((𝐹‘𝑘) ∈ 𝑢 ↔ (𝐹‘𝑘) ∈ 𝑈)) | |
4 | 3 | rexralbidv 2480 | . . . 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 12530 | . . . . . . . . 9 ⊢ (𝐹(⇝𝑡‘𝐽)𝑃 → 𝐽 ∈ Top) | |
8 | 6, 7 | syl 14 | . . . . . . . 8 ⊢ (𝜑 → 𝐽 ∈ Top) |
9 | eqid 2154 | . . . . . . . . 9 ⊢ ∪ 𝐽 = ∪ 𝐽 | |
10 | 9 | toptopon 12355 | . . . . . . . 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 12553 | . . . . . 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 996 | . . . 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 2517 | . . . . . . 7 ⊢ (∀𝑘 ∈ (ℤ≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑢) → ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑢) |
19 | 18 | reximi 2551 | . . . . . 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 2517 | . . . 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 2818 | . 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 963 = wceq 1332 ∈ wcel 2125 ∀wral 2432 ∃wrex 2433 ∪ cuni 3768 class class class wbr 3961 dom cdm 4579 ‘cfv 5163 (class class class)co 5814 ↑pm cpm 6583 ℂcc 7709 ℤcz 9146 ℤ≥cuz 9418 Topctop 12334 TopOnctopon 12347 ⇝𝑡clm 12526 |
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 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1481 ax-10 1482 ax-11 1483 ax-i12 1484 ax-bndl 1486 ax-4 1487 ax-17 1503 ax-i9 1507 ax-ial 1511 ax-i5r 1512 ax-13 2127 ax-14 2128 ax-ext 2136 ax-sep 4078 ax-pow 4130 ax-pr 4164 ax-un 4388 ax-setind 4490 ax-cnex 7802 ax-resscn 7803 ax-1cn 7804 ax-1re 7805 ax-icn 7806 ax-addcl 7807 ax-addrcl 7808 ax-mulcl 7809 ax-addcom 7811 ax-addass 7813 ax-distr 7815 ax-i2m1 7816 ax-0lt1 7817 ax-0id 7819 ax-rnegex 7820 ax-cnre 7822 ax-pre-ltirr 7823 ax-pre-ltwlin 7824 ax-pre-lttrn 7825 ax-pre-apti 7826 ax-pre-ltadd 7827 |
This theorem depends on definitions: df-bi 116 df-dc 821 df-3or 964 df-3an 965 df-tru 1335 df-fal 1338 df-nf 1438 df-sb 1740 df-eu 2006 df-mo 2007 df-clab 2141 df-cleq 2147 df-clel 2150 df-nfc 2285 df-ne 2325 df-nel 2420 df-ral 2437 df-rex 2438 df-reu 2439 df-rab 2441 df-v 2711 df-sbc 2934 df-csb 3028 df-dif 3100 df-un 3102 df-in 3104 df-ss 3111 df-if 3502 df-pw 3541 df-sn 3562 df-pr 3563 df-op 3565 df-uni 3769 df-int 3804 df-iun 3847 df-br 3962 df-opab 4022 df-mpt 4023 df-id 4248 df-xp 4585 df-rel 4586 df-cnv 4587 df-co 4588 df-dm 4589 df-rn 4590 df-res 4591 df-ima 4592 df-iota 5128 df-fun 5165 df-fn 5166 df-f 5167 df-fv 5171 df-riota 5770 df-ov 5817 df-oprab 5818 df-mpo 5819 df-1st 6078 df-2nd 6079 df-pm 6585 df-pnf 7893 df-mnf 7894 df-xr 7895 df-ltxr 7896 df-le 7897 df-sub 8027 df-neg 8028 df-inn 8813 df-n0 9070 df-z 9147 df-uz 9419 df-top 12335 df-topon 12348 df-lm 12529 |
This theorem is referenced by: (None) |
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