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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 15668 | . . . . 5 ⊢ Rel ⇝ | |
| 2 | 1 | brrelex1i 5707 | . . . 4 ⊢ (𝐹 ⇝ 𝐴 → 𝐹 ∈ V) |
| 3 | eqidd 2761 | . . . 4 ⊢ ((𝐹 ⇝ 𝐴 ∧ 𝑘 ∈ ℤ) → (𝐹‘𝑘) = (𝐹‘𝑘)) | |
| 4 | 2, 3 | clim 15670 | . . 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 2144 ∀wral 3076 ∃wrex 3086 Vcvv 3450 class class class wbr 5102 ‘cfv 6543 (class class class)co 7424 ℂcc 11205 < clt 11350 − cmin 11548 ℤcz 12700 ℤ≥cuz 12972 ℝ+crp 13127 abscabs 15410 ⇝ cli 15660 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pr 5391 ax-cnex 11263 ax-resscn 11264 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-fv 6551 df-ov 7427 df-neg 11551 df-z 12701 df-uz 12973 df-clim 15664 |
| This theorem is used by: rlimclim 15722 climrlim2 15723 climuni 15728 fclim 15729 climeu 15731 climreu 15732 2clim 15748 climcn1lem 15779 climadd 15808 climmul 15809 climsub 15810 climaddc2 15812 climcau 15847 clim2div 16067 ntrivcvgtail 16078 ntrivcvgmullem 16079 mbflim 25998 ulmcau 26731 emcllem6 27337 dchrmusum2 27830 dchrvmasumiflem1 27837 dchrvmasumiflem2 27838 dchrisum0lem1b 27851 dchrmusumlem 27858 iprodefisum 36602 climrec 46723 climexp 46725 climsuse 46728 climneg 46730 climdivf 46732 climleltrp 46794 climuzlem 46861 climxlim2lem 46963 climxlim2 46964 sge0isum 47545 |
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