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Mirrors > Home > MPE Home > Th. List > climeu | Structured version Visualization version GIF version |
Description: An infinite sequence of complex numbers converges to at most one limit. (Contributed by NM, 25-Dec-2005.) |
Ref | Expression |
---|---|
climeu | ⊢ (𝐹 ⇝ 𝐴 → ∃!𝑥 𝐹 ⇝ 𝑥) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | climcl 15335 | . . 3 ⊢ (𝐹 ⇝ 𝐴 → 𝐴 ∈ ℂ) | |
2 | breq2 5107 | . . . 4 ⊢ (𝑦 = 𝐴 → (𝐹 ⇝ 𝑦 ↔ 𝐹 ⇝ 𝐴)) | |
3 | 2 | spcegv 3554 | . . 3 ⊢ (𝐴 ∈ ℂ → (𝐹 ⇝ 𝐴 → ∃𝑦 𝐹 ⇝ 𝑦)) |
4 | 1, 3 | mpcom 38 | . 2 ⊢ (𝐹 ⇝ 𝐴 → ∃𝑦 𝐹 ⇝ 𝑦) |
5 | climuni 15388 | . . 3 ⊢ ((𝐹 ⇝ 𝑦 ∧ 𝐹 ⇝ 𝑥) → 𝑦 = 𝑥) | |
6 | 5 | gen2 1798 | . 2 ⊢ ∀𝑦∀𝑥((𝐹 ⇝ 𝑦 ∧ 𝐹 ⇝ 𝑥) → 𝑦 = 𝑥) |
7 | nfv 1917 | . . . 4 ⊢ Ⅎ𝑦 𝐹 ⇝ 𝑥 | |
8 | nfv 1917 | . . . 4 ⊢ Ⅎ𝑥 𝐹 ⇝ 𝑦 | |
9 | breq2 5107 | . . . 4 ⊢ (𝑥 = 𝑦 → (𝐹 ⇝ 𝑥 ↔ 𝐹 ⇝ 𝑦)) | |
10 | 7, 8, 9 | cbveuw 2605 | . . 3 ⊢ (∃!𝑥 𝐹 ⇝ 𝑥 ↔ ∃!𝑦 𝐹 ⇝ 𝑦) |
11 | breq2 5107 | . . . 4 ⊢ (𝑦 = 𝑥 → (𝐹 ⇝ 𝑦 ↔ 𝐹 ⇝ 𝑥)) | |
12 | 11 | eu4 2615 | . . 3 ⊢ (∃!𝑦 𝐹 ⇝ 𝑦 ↔ (∃𝑦 𝐹 ⇝ 𝑦 ∧ ∀𝑦∀𝑥((𝐹 ⇝ 𝑦 ∧ 𝐹 ⇝ 𝑥) → 𝑦 = 𝑥))) |
13 | 10, 12 | bitri 274 | . 2 ⊢ (∃!𝑥 𝐹 ⇝ 𝑥 ↔ (∃𝑦 𝐹 ⇝ 𝑦 ∧ ∀𝑦∀𝑥((𝐹 ⇝ 𝑦 ∧ 𝐹 ⇝ 𝑥) → 𝑦 = 𝑥))) |
14 | 4, 6, 13 | sylanblrc 590 | 1 ⊢ (𝐹 ⇝ 𝐴 → ∃!𝑥 𝐹 ⇝ 𝑥) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∀wal 1539 ∃wex 1781 ∈ wcel 2106 ∃!weu 2566 class class class wbr 5103 ℂcc 11007 ⇝ cli 15320 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2707 ax-sep 5254 ax-nul 5261 ax-pow 5318 ax-pr 5382 ax-un 7664 ax-cnex 11065 ax-resscn 11066 ax-1cn 11067 ax-icn 11068 ax-addcl 11069 ax-addrcl 11070 ax-mulcl 11071 ax-mulrcl 11072 ax-mulcom 11073 ax-addass 11074 ax-mulass 11075 ax-distr 11076 ax-i2m1 11077 ax-1ne0 11078 ax-1rid 11079 ax-rnegex 11080 ax-rrecex 11081 ax-cnre 11082 ax-pre-lttri 11083 ax-pre-lttrn 11084 ax-pre-ltadd 11085 ax-pre-mulgt0 11086 ax-pre-sup 11087 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3351 df-reu 3352 df-rab 3406 df-v 3445 df-sbc 3738 df-csb 3854 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3927 df-nul 4281 df-if 4485 df-pw 4560 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4864 df-iun 4954 df-br 5104 df-opab 5166 df-mpt 5187 df-tr 5221 df-id 5529 df-eprel 5535 df-po 5543 df-so 5544 df-fr 5586 df-we 5588 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6251 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6445 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7307 df-ov 7354 df-oprab 7355 df-mpo 7356 df-om 7795 df-2nd 7914 df-frecs 8204 df-wrecs 8235 df-recs 8309 df-rdg 8348 df-er 8606 df-en 8842 df-dom 8843 df-sdom 8844 df-sup 9336 df-pnf 11149 df-mnf 11150 df-xr 11151 df-ltxr 11152 df-le 11153 df-sub 11345 df-neg 11346 df-div 11771 df-nn 12112 df-2 12174 df-3 12175 df-n0 12372 df-z 12458 df-uz 12722 df-rp 12870 df-seq 13861 df-exp 13922 df-cj 14938 df-re 14939 df-im 14940 df-sqrt 15074 df-abs 15075 df-clim 15324 |
This theorem is referenced by: climreu 15392 climmo 15393 |
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