| Mathbox for Glauco Siliprandi |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > xlimuni | Structured version Visualization version GIF version | ||
| Description: An infinite sequence converges to at most one limit (w.r.t. to the standard topology on the extended reals). (Contributed by Glauco Siliprandi, 23-Apr-2023.) |
| Ref | Expression |
|---|---|
| xlimuni.1 | ⊢ (𝜑 → 𝐹~~>*𝐴) |
| xlimuni.2 | ⊢ (𝜑 → 𝐹~~>*𝐵) |
| Ref | Expression |
|---|---|
| xlimuni | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrhaus 23298 | . . 3 ⊢ (ordTop‘ ≤ ) ∈ Haus | |
| 2 | 1 | a1i 11 | . 2 ⊢ (𝜑 → (ordTop‘ ≤ ) ∈ Haus) |
| 3 | xlimuni.1 | . . 3 ⊢ (𝜑 → 𝐹~~>*𝐴) | |
| 4 | df-xlim 45856 | . . . 4 ⊢ ~~>* = (⇝𝑡‘(ordTop‘ ≤ )) | |
| 5 | 4 | breqi 5097 | . . 3 ⊢ (𝐹~~>*𝐴 ↔ 𝐹(⇝𝑡‘(ordTop‘ ≤ ))𝐴) |
| 6 | 3, 5 | sylib 218 | . 2 ⊢ (𝜑 → 𝐹(⇝𝑡‘(ordTop‘ ≤ ))𝐴) |
| 7 | xlimuni.2 | . . 3 ⊢ (𝜑 → 𝐹~~>*𝐵) | |
| 8 | 4 | breqi 5097 | . . 3 ⊢ (𝐹~~>*𝐵 ↔ 𝐹(⇝𝑡‘(ordTop‘ ≤ ))𝐵) |
| 9 | 7, 8 | sylib 218 | . 2 ⊢ (𝜑 → 𝐹(⇝𝑡‘(ordTop‘ ≤ ))𝐵) |
| 10 | 2, 6, 9 | lmmo 23293 | 1 ⊢ (𝜑 → 𝐴 = 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2111 class class class wbr 5091 ‘cfv 6481 ≤ cle 11144 ordTopcordt 17400 ⇝𝑡clm 23139 Hauscha 23221 ~~>*clsxlim 45855 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5234 ax-nul 5244 ax-pow 5303 ax-pr 5370 ax-un 7668 ax-cnex 11059 ax-resscn 11060 ax-1cn 11061 ax-icn 11062 ax-addcl 11063 ax-addrcl 11064 ax-mulcl 11065 ax-mulrcl 11066 ax-mulcom 11067 ax-addass 11068 ax-mulass 11069 ax-distr 11070 ax-i2m1 11071 ax-1ne0 11072 ax-1rid 11073 ax-rnegex 11074 ax-rrecex 11075 ax-cnre 11076 ax-pre-lttri 11077 ax-pre-lttrn 11078 ax-pre-ltadd 11079 ax-pre-mulgt0 11080 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4476 df-pw 4552 df-sn 4577 df-pr 4579 df-op 4583 df-uni 4860 df-int 4898 df-iun 4943 df-br 5092 df-opab 5154 df-mpt 5173 df-tr 5199 df-id 5511 df-eprel 5516 df-po 5524 df-so 5525 df-fr 5569 df-we 5571 df-xp 5622 df-rel 5623 df-cnv 5624 df-co 5625 df-dm 5626 df-rn 5627 df-res 5628 df-ima 5629 df-pred 6248 df-ord 6309 df-on 6310 df-lim 6311 df-suc 6312 df-iota 6437 df-fun 6483 df-fn 6484 df-f 6485 df-f1 6486 df-fo 6487 df-f1o 6488 df-fv 6489 df-riota 7303 df-ov 7349 df-oprab 7350 df-mpo 7351 df-om 7797 df-1st 7921 df-2nd 7922 df-frecs 8211 df-wrecs 8242 df-recs 8291 df-rdg 8329 df-1o 8385 df-2o 8386 df-er 8622 df-pm 8753 df-en 8870 df-dom 8871 df-sdom 8872 df-fin 8873 df-fi 9295 df-pnf 11145 df-mnf 11146 df-xr 11147 df-ltxr 11148 df-le 11149 df-sub 11343 df-neg 11344 df-nn 12123 df-z 12466 df-uz 12730 df-topgen 17344 df-ordt 17402 df-ps 18469 df-tsr 18470 df-top 22807 df-topon 22824 df-bases 22859 df-lm 23142 df-haus 23228 df-xlim 45856 |
| This theorem is referenced by: (None) |
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