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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 2234 | . . . 4 ⊢ (𝑢 = 𝑈 → (𝑃 ∈ 𝑢 ↔ 𝑃 ∈ 𝑈)) | |
3 | eleq2 2234 | . . . . 5 ⊢ (𝑢 = 𝑈 → ((𝐹‘𝑘) ∈ 𝑢 ↔ (𝐹‘𝑘) ∈ 𝑈)) | |
4 | 3 | rexralbidv 2496 | . . . 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 12985 | . . . . . . . . 9 ⊢ (𝐹(⇝𝑡‘𝐽)𝑃 → 𝐽 ∈ Top) | |
8 | 6, 7 | syl 14 | . . . . . . . 8 ⊢ (𝜑 → 𝐽 ∈ Top) |
9 | eqid 2170 | . . . . . . . . 9 ⊢ ∪ 𝐽 = ∪ 𝐽 | |
10 | 9 | toptopon 12810 | . . . . . . . 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 13008 | . . . . . 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 1006 | . . . 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 2533 | . . . . . . 7 ⊢ (∀𝑘 ∈ (ℤ≥‘𝑗)(𝑘 ∈ dom 𝐹 ∧ (𝐹‘𝑘) ∈ 𝑢) → ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐹‘𝑘) ∈ 𝑢) |
19 | 18 | reximi 2567 | . . . . . 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 2533 | . . . 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 2839 | . 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 973 = wceq 1348 ∈ wcel 2141 ∀wral 2448 ∃wrex 2449 ∪ cuni 3796 class class class wbr 3989 dom cdm 4611 ‘cfv 5198 (class class class)co 5853 ↑pm cpm 6627 ℂcc 7772 ℤcz 9212 ℤ≥cuz 9487 Topctop 12789 TopOnctopon 12802 ⇝𝑡clm 12981 |
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 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-sep 4107 ax-pow 4160 ax-pr 4194 ax-un 4418 ax-setind 4521 ax-cnex 7865 ax-resscn 7866 ax-1cn 7867 ax-1re 7868 ax-icn 7869 ax-addcl 7870 ax-addrcl 7871 ax-mulcl 7872 ax-addcom 7874 ax-addass 7876 ax-distr 7878 ax-i2m1 7879 ax-0lt1 7880 ax-0id 7882 ax-rnegex 7883 ax-cnre 7885 ax-pre-ltirr 7886 ax-pre-ltwlin 7887 ax-pre-lttrn 7888 ax-pre-apti 7889 ax-pre-ltadd 7890 |
This theorem depends on definitions: df-bi 116 df-dc 830 df-3or 974 df-3an 975 df-tru 1351 df-fal 1354 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ne 2341 df-nel 2436 df-ral 2453 df-rex 2454 df-reu 2455 df-rab 2457 df-v 2732 df-sbc 2956 df-csb 3050 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-if 3527 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-int 3832 df-iun 3875 df-br 3990 df-opab 4051 df-mpt 4052 df-id 4278 df-xp 4617 df-rel 4618 df-cnv 4619 df-co 4620 df-dm 4621 df-rn 4622 df-res 4623 df-ima 4624 df-iota 5160 df-fun 5200 df-fn 5201 df-f 5202 df-fv 5206 df-riota 5809 df-ov 5856 df-oprab 5857 df-mpo 5858 df-1st 6119 df-2nd 6120 df-pm 6629 df-pnf 7956 df-mnf 7957 df-xr 7958 df-ltxr 7959 df-le 7960 df-sub 8092 df-neg 8093 df-inn 8879 df-n0 9136 df-z 9213 df-uz 9488 df-top 12790 df-topon 12803 df-lm 12984 |
This theorem is referenced by: (None) |
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