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| Mirrors > Home > MPE Home > Th. List > climi2 | Structured version Visualization version GIF version | ||
| Description: Convergence of a sequence of complex numbers. (Contributed by NM, 11-Jan-2007.) (Revised by Mario Carneiro, 31-Jan-2014.) |
| Ref | Expression |
|---|---|
| climi.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
| climi.2 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| climi.3 | ⊢ (𝜑 → 𝐶 ∈ ℝ+) |
| climi.4 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) = 𝐵) |
| climi.5 | ⊢ (𝜑 → 𝐹 ⇝ 𝐴) |
| Ref | Expression |
|---|---|
| climi2 | ⊢ (𝜑 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(abs‘(𝐵 − 𝐴)) < 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | climi.1 | . . 3 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 2 | climi.2 | . . 3 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 3 | climi.3 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ+) | |
| 4 | climi.4 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) = 𝐵) | |
| 5 | climi.5 | . . 3 ⊢ (𝜑 → 𝐹 ⇝ 𝐴) | |
| 6 | 1, 2, 3, 4, 5 | climi 15683 | . 2 ⊢ (𝜑 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐵 ∈ ℂ ∧ (abs‘(𝐵 − 𝐴)) < 𝐶)) |
| 7 | simpr 490 | . . . 4 ⊢ ((𝐵 ∈ ℂ ∧ (abs‘(𝐵 − 𝐴)) < 𝐶) → (abs‘(𝐵 − 𝐴)) < 𝐶) | |
| 8 | 7 | ralimi 3099 | . . 3 ⊢ (∀𝑘 ∈ (ℤ≥‘𝑗)(𝐵 ∈ ℂ ∧ (abs‘(𝐵 − 𝐴)) < 𝐶) → ∀𝑘 ∈ (ℤ≥‘𝑗)(abs‘(𝐵 − 𝐴)) < 𝐶) |
| 9 | 8 | reximi 3100 | . 2 ⊢ (∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝐵 ∈ ℂ ∧ (abs‘(𝐵 − 𝐴)) < 𝐶) → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(abs‘(𝐵 − 𝐴)) < 𝐶) |
| 10 | 6, 9 | syl 18 | 1 ⊢ (𝜑 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(abs‘(𝐵 − 𝐴)) < 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1569 ∈ wcel 2144 ∀wral 3076 ∃wrex 3086 class class class wbr 5102 ‘cfv 6539 (class class class)co 7421 ℂcc 11202 < clt 11347 − cmin 11545 ℤcz 12697 ℤ≥cuz 12969 ℝ+crp 13124 abscabs 15407 ⇝ cli 15657 |
| 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-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-pre-lttri 11278 ax-pre-lttrn 11279 |
| 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-nel 3062 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 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 5545 df-po 5558 df-so 5559 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-ov 7424 df-er 8721 df-en 8978 df-dom 8979 df-sdom 8980 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-neg 11548 df-z 12698 df-uz 12970 df-clim 15661 |
| This theorem is used by: rlimclim 15719 climcn1 15765 climcn2 15766 climsqz 15814 climsqz2 15815 mertenslem2 16060 uniioombllem6 25915 ulmcau 26728 ulmdvlem3 26735 rrncmslem 38860 cvgdvgrat 45391 stoweidlem7 47111 |
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