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Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > xlimconst | Structured version Visualization version GIF version |
Description: A constant sequence converges to its value, w.r.t. the standard topology on the extended reals. (Contributed by Glauco Siliprandi, 5-Feb-2022.) |
Ref | Expression |
---|---|
xlimconst.p | ⊢ Ⅎ𝑘𝜑 |
xlimconst.k | ⊢ Ⅎ𝑘𝐹 |
xlimconst.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
xlimconst.z | ⊢ 𝑍 = (ℤ≥‘𝑀) |
xlimconst.f | ⊢ (𝜑 → 𝐹 Fn 𝑍) |
xlimconst.a | ⊢ (𝜑 → 𝐴 ∈ ℝ*) |
xlimconst.e | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) = 𝐴) |
Ref | Expression |
---|---|
xlimconst | ⊢ (𝜑 → 𝐹~~>*𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xlimconst.p | . . . 4 ⊢ Ⅎ𝑘𝜑 | |
2 | xlimconst.k | . . . 4 ⊢ Ⅎ𝑘𝐹 | |
3 | xlimconst.f | . . . 4 ⊢ (𝜑 → 𝐹 Fn 𝑍) | |
4 | xlimconst.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ ℝ*) | |
5 | xlimconst.e | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) = 𝐴) | |
6 | 1, 2, 3, 4, 5 | fconst7 41904 | . . 3 ⊢ (𝜑 → 𝐹 = (𝑍 × {𝐴})) |
7 | letopon 21810 | . . . 4 ⊢ (ordTop‘ ≤ ) ∈ (TopOn‘ℝ*) | |
8 | xlimconst.m | . . . 4 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
9 | xlimconst.z | . . . . 5 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
10 | 9 | lmconst 21866 | . . . 4 ⊢ (((ordTop‘ ≤ ) ∈ (TopOn‘ℝ*) ∧ 𝐴 ∈ ℝ* ∧ 𝑀 ∈ ℤ) → (𝑍 × {𝐴})(⇝𝑡‘(ordTop‘ ≤ ))𝐴) |
11 | 7, 4, 8, 10 | mp3an2i 1463 | . . 3 ⊢ (𝜑 → (𝑍 × {𝐴})(⇝𝑡‘(ordTop‘ ≤ ))𝐴) |
12 | 6, 11 | eqbrtrd 5052 | . 2 ⊢ (𝜑 → 𝐹(⇝𝑡‘(ordTop‘ ≤ ))𝐴) |
13 | df-xlim 42461 | . . 3 ⊢ ~~>* = (⇝𝑡‘(ordTop‘ ≤ )) | |
14 | 13 | breqi 5036 | . 2 ⊢ (𝐹~~>*𝐴 ↔ 𝐹(⇝𝑡‘(ordTop‘ ≤ ))𝐴) |
15 | 12, 14 | sylibr 237 | 1 ⊢ (𝜑 → 𝐹~~>*𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 Ⅎwnf 1785 ∈ wcel 2111 Ⅎwnfc 2936 {csn 4525 class class class wbr 5030 × cxp 5517 Fn wfn 6319 ‘cfv 6324 ℝ*cxr 10663 ≤ cle 10665 ℤcz 11969 ℤ≥cuz 12231 ordTopcordt 16764 TopOnctopon 21515 ⇝𝑡clm 21831 ~~>*clsxlim 42460 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-resscn 10583 ax-pre-lttri 10600 ax-pre-lttrn 10601 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-int 4839 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-ov 7138 df-oprab 7139 df-mpo 7140 df-om 7561 df-1st 7671 df-2nd 7672 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-1o 8085 df-oadd 8089 df-er 8272 df-pm 8392 df-en 8493 df-dom 8494 df-sdom 8495 df-fin 8496 df-fi 8859 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-neg 10862 df-z 11970 df-uz 12232 df-topgen 16709 df-ordt 16766 df-ps 17802 df-tsr 17803 df-top 21499 df-topon 21516 df-bases 21551 df-lm 21834 df-xlim 42461 |
This theorem is referenced by: xlimconst2 42477 |
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