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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 15583 | . . . . 5 ⊢ Rel ⇝ | |
| 2 | 1 | brrelex1i 5715 | . . . 4 ⊢ (𝐹 ⇝ 𝐴 → 𝐹 ∈ V) |
| 3 | eqidd 2763 | . . . 4 ⊢ ((𝐹 ⇝ 𝐴 ∧ 𝑘 ∈ ℤ) → (𝐹‘𝑘) = (𝐹‘𝑘)) | |
| 4 | 2, 3 | clim 15585 | . . 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 2145 ∀wral 3078 ∃wrex 3088 Vcvv 3453 class class class wbr 5107 ‘cfv 6537 (class class class)co 7417 ℂcc 11126 < clt 11271 − cmin 11469 ℤcz 12619 ℤ≥cuz 12891 ℝ+crp 13046 abscabs 15325 ⇝ cli 15575 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pr 5402 ax-cnex 11184 ax-resscn 11185 |
| 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 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-fv 6545 df-ov 7420 df-neg 11472 df-z 12620 df-uz 12892 df-clim 15579 |
| This theorem is used by: rlimclim 15637 climrlim2 15638 climuni 15643 fclim 15644 climeu 15646 climreu 15647 2clim 15663 climcn1lem 15694 climadd 15723 climmul 15724 climsub 15725 climaddc2 15727 climcau 15762 clim2div 15982 ntrivcvgtail 15993 ntrivcvgmullem 15994 mbflim 25902 ulmcau 26638 emcllem6 27245 dchrmusum2 27738 dchrvmasumiflem1 27745 dchrvmasumiflem2 27746 dchrisum0lem1b 27759 dchrmusumlem 27766 iprodefisum 36328 climrec 46441 climexp 46443 climsuse 46446 climneg 46448 climdivf 46450 climleltrp 46512 climuzlem 46579 climxlim2lem 46681 climxlim2 46682 sge0isum 47263 |
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