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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 15449 | . . 3 ⊢ (𝐹 ⇝ 𝐴 → 𝐴 ∈ ℂ) | |
2 | breq2 5153 | . . . 4 ⊢ (𝑦 = 𝐴 → (𝐹 ⇝ 𝑦 ↔ 𝐹 ⇝ 𝐴)) | |
3 | 2 | spcegv 3588 | . . 3 ⊢ (𝐴 ∈ ℂ → (𝐹 ⇝ 𝐴 → ∃𝑦 𝐹 ⇝ 𝑦)) |
4 | 1, 3 | mpcom 38 | . 2 ⊢ (𝐹 ⇝ 𝐴 → ∃𝑦 𝐹 ⇝ 𝑦) |
5 | climuni 15502 | . . 3 ⊢ ((𝐹 ⇝ 𝑦 ∧ 𝐹 ⇝ 𝑥) → 𝑦 = 𝑥) | |
6 | 5 | gen2 1796 | . 2 ⊢ ∀𝑦∀𝑥((𝐹 ⇝ 𝑦 ∧ 𝐹 ⇝ 𝑥) → 𝑦 = 𝑥) |
7 | nfv 1915 | . . . 4 ⊢ Ⅎ𝑦 𝐹 ⇝ 𝑥 | |
8 | nfv 1915 | . . . 4 ⊢ Ⅎ𝑥 𝐹 ⇝ 𝑦 | |
9 | breq2 5153 | . . . 4 ⊢ (𝑥 = 𝑦 → (𝐹 ⇝ 𝑥 ↔ 𝐹 ⇝ 𝑦)) | |
10 | 7, 8, 9 | cbveuw 2599 | . . 3 ⊢ (∃!𝑥 𝐹 ⇝ 𝑥 ↔ ∃!𝑦 𝐹 ⇝ 𝑦) |
11 | breq2 5153 | . . . 4 ⊢ (𝑦 = 𝑥 → (𝐹 ⇝ 𝑦 ↔ 𝐹 ⇝ 𝑥)) | |
12 | 11 | eu4 2609 | . . 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 588 | 1 ⊢ (𝐹 ⇝ 𝐴 → ∃!𝑥 𝐹 ⇝ 𝑥) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 394 ∀wal 1537 ∃wex 1779 ∈ wcel 2104 ∃!weu 2560 class class class wbr 5149 ℂcc 11112 ⇝ cli 15434 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2701 ax-sep 5300 ax-nul 5307 ax-pow 5364 ax-pr 5428 ax-un 7729 ax-cnex 11170 ax-resscn 11171 ax-1cn 11172 ax-icn 11173 ax-addcl 11174 ax-addrcl 11175 ax-mulcl 11176 ax-mulrcl 11177 ax-mulcom 11178 ax-addass 11179 ax-mulass 11180 ax-distr 11181 ax-i2m1 11182 ax-1ne0 11183 ax-1rid 11184 ax-rnegex 11185 ax-rrecex 11186 ax-cnre 11187 ax-pre-lttri 11188 ax-pre-lttrn 11189 ax-pre-ltadd 11190 ax-pre-mulgt0 11191 ax-pre-sup 11192 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2532 df-eu 2561 df-clab 2708 df-cleq 2722 df-clel 2808 df-nfc 2883 df-ne 2939 df-nel 3045 df-ral 3060 df-rex 3069 df-rmo 3374 df-reu 3375 df-rab 3431 df-v 3474 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4910 df-iun 5000 df-br 5150 df-opab 5212 df-mpt 5233 df-tr 5267 df-id 5575 df-eprel 5581 df-po 5589 df-so 5590 df-fr 5632 df-we 5634 df-xp 5683 df-rel 5684 df-cnv 5685 df-co 5686 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 df-pred 6301 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6496 df-fun 6546 df-fn 6547 df-f 6548 df-f1 6549 df-fo 6550 df-f1o 6551 df-fv 6552 df-riota 7369 df-ov 7416 df-oprab 7417 df-mpo 7418 df-om 7860 df-2nd 7980 df-frecs 8270 df-wrecs 8301 df-recs 8375 df-rdg 8414 df-er 8707 df-en 8944 df-dom 8945 df-sdom 8946 df-sup 9441 df-pnf 11256 df-mnf 11257 df-xr 11258 df-ltxr 11259 df-le 11260 df-sub 11452 df-neg 11453 df-div 11878 df-nn 12219 df-2 12281 df-3 12282 df-n0 12479 df-z 12565 df-uz 12829 df-rp 12981 df-seq 13973 df-exp 14034 df-cj 15052 df-re 15053 df-im 15054 df-sqrt 15188 df-abs 15189 df-clim 15438 |
This theorem is referenced by: climreu 15506 climmo 15507 |
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