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| Mirrors > Home > MPE Home > Th. List > climcl | Structured version Visualization version GIF version | ||
| Description: Closure of the limit of a sequence of complex numbers. (Contributed by NM, 28-Aug-2005.) (Revised by Mario Carneiro, 28-Apr-2015.) |
| Ref | Expression |
|---|---|
| climcl | ⊢ (𝐹 ⇝ 𝐴 → 𝐴 ∈ ℂ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | climrel 15703 | . . . . 5 ⊢ Rel ⇝ | |
| 2 | 1 | brrelex1i 5714 | . . . 4 ⊢ (𝐹 ⇝ 𝐴 → 𝐹 ∈ V) |
| 3 | eqidd 2764 | . . . 4 ⊢ ((𝐹 ⇝ 𝐴 ∧ 𝑘 ∈ ℤ) → (𝐹‘𝑘) = (𝐹‘𝑘)) | |
| 4 | 2, 3 | clim 15705 | . . 3 ⊢ (𝐹 ⇝ 𝐴 → (𝐹 ⇝ 𝐴 ↔ (𝐴 ∈ ℂ ∧ ∀𝑥 ∈ ℝ+ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ≥‘𝑗)((𝐹‘𝑘) ∈ ℂ ∧ (abs‘((𝐹‘𝑘) − 𝐴)) < 𝑥)))) |
| 5 | 4 | ibi 270 | . 2 ⊢ (𝐹 ⇝ 𝐴 → (𝐴 ∈ ℂ ∧ ∀𝑥 ∈ ℝ+ ∃𝑗 ∈ ℤ ∀𝑘 ∈ (ℤ≥‘𝑗)((𝐹‘𝑘) ∈ ℂ ∧ (abs‘((𝐹‘𝑘) − 𝐴)) < 𝑥))) |
| 6 | 5 | simpld 500 | 1 ⊢ (𝐹 ⇝ 𝐴 → 𝐴 ∈ ℂ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2147 ∀wral 3080 ∃wrex 3090 Vcvv 3454 class class class wbr 5108 ‘cfv 6566 (class class class)co 7451 ℂcc 11237 < clt 11382 − cmin 11580 ℤcz 12733 ℤ≥cuz 13005 ℝ+crp 13160 abscabs 15444 ⇝ cli 15695 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pr 5398 ax-cnex 11295 ax-resscn 11296 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-fv 6574 df-ov 7454 df-neg 11583 df-z 12734 df-uz 13006 df-clim 15699 |
| This theorem is used by: rlimclim 15757 climrlim2 15758 climuni 15763 fclim 15764 climeu 15766 climreu 15767 2clim 15783 climcn1lem 15814 climadd 15843 climmul 15844 climsub 15845 climaddc2 15847 climcau 15882 clim2div 16102 ntrivcvgtail 16113 ntrivcvgmullem 16114 mbflim 26044 ulmcau 26779 emcllem6 27385 dchrmusum2 27878 dchrvmasumiflem1 27885 dchrvmasumiflem2 27886 dchrisum0lem1b 27899 dchrmusumlem 27906 iprodefisum 36721 climrec 46888 climexp 46890 climsuse 46893 climneg 46895 climdivf 46897 climleltrp 46959 climuzlem 47026 climxlim2lem 47128 climxlim2 47129 sge0isum 47710 |
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