Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > xlimres | Structured version Visualization version GIF version |
Description: A function converges iff its restriction to an upper integers set converges. (Contributed by Glauco Siliprandi, 5-Feb-2022.) |
Ref | Expression |
---|---|
xlimres.1 | ⊢ (𝜑 → 𝐹 ∈ (ℝ* ↑pm ℂ)) |
xlimres.2 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
Ref | Expression |
---|---|
xlimres | ⊢ (𝜑 → (𝐹~~>*𝐴 ↔ (𝐹 ↾ (ℤ≥‘𝑀))~~>*𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | letopon 22356 | . . . 4 ⊢ (ordTop‘ ≤ ) ∈ (TopOn‘ℝ*) | |
2 | 1 | a1i 11 | . . 3 ⊢ (𝜑 → (ordTop‘ ≤ ) ∈ (TopOn‘ℝ*)) |
3 | xlimres.1 | . . 3 ⊢ (𝜑 → 𝐹 ∈ (ℝ* ↑pm ℂ)) | |
4 | xlimres.2 | . . 3 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
5 | 2, 3, 4 | lmres 22451 | . 2 ⊢ (𝜑 → (𝐹(⇝𝑡‘(ordTop‘ ≤ ))𝐴 ↔ (𝐹 ↾ (ℤ≥‘𝑀))(⇝𝑡‘(ordTop‘ ≤ ))𝐴)) |
6 | df-xlim 43360 | . . 3 ⊢ ~~>* = (⇝𝑡‘(ordTop‘ ≤ )) | |
7 | 6 | breqi 5080 | . 2 ⊢ (𝐹~~>*𝐴 ↔ 𝐹(⇝𝑡‘(ordTop‘ ≤ ))𝐴) |
8 | 6 | breqi 5080 | . 2 ⊢ ((𝐹 ↾ (ℤ≥‘𝑀))~~>*𝐴 ↔ (𝐹 ↾ (ℤ≥‘𝑀))(⇝𝑡‘(ordTop‘ ≤ ))𝐴) |
9 | 5, 7, 8 | 3bitr4g 314 | 1 ⊢ (𝜑 → (𝐹~~>*𝐴 ↔ (𝐹 ↾ (ℤ≥‘𝑀))~~>*𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∈ wcel 2106 class class class wbr 5074 ↾ cres 5591 ‘cfv 6433 (class class class)co 7275 ↑pm cpm 8616 ℂcc 10869 ℝ*cxr 11008 ≤ cle 11010 ℤcz 12319 ℤ≥cuz 12582 ordTopcordt 17210 TopOnctopon 22059 ⇝𝑡clm 22377 ~~>*clsxlim 43359 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 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 2709 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-pre-lttri 10945 ax-pre-lttrn 10946 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-1o 8297 df-er 8498 df-pm 8618 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-fi 9170 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-neg 11208 df-z 12320 df-uz 12583 df-topgen 17154 df-ordt 17212 df-ps 18284 df-tsr 18285 df-top 22043 df-topon 22060 df-bases 22096 df-lm 22380 df-xlim 43360 |
This theorem is referenced by: xlimconst2 43376 xlimclim2lem 43380 climxlim2 43387 xlimresdm 43400 xlimliminflimsup 43403 |
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