| 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 23535 | . . . 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 23630 | . 2 ⊢ (𝜑 → (𝐹(⇝𝑡‘(ordTop‘ ≤ ))𝐴 ↔ (𝐹 ↾ (ℤ≥‘𝑀))(⇝𝑡‘(ordTop‘ ≤ ))𝐴)) |
| 6 | df-xlim 46968 | . . 3 ⊢ ~~>* = (⇝𝑡‘(ordTop‘ ≤ )) | |
| 7 | 6 | breqi 5111 | . 2 ⊢ (𝐹~~>*𝐴 ↔ 𝐹(⇝𝑡‘(ordTop‘ ≤ ))𝐴) |
| 8 | 6 | breqi 5111 | . 2 ⊢ ((𝐹 ↾ (ℤ≥‘𝑀))~~>*𝐴 ↔ (𝐹 ↾ (ℤ≥‘𝑀))(⇝𝑡‘(ordTop‘ ≤ ))𝐴) |
| 9 | 5, 7, 8 | 3bitr4g 317 | 1 ⊢ (𝜑 → (𝐹~~>*𝐴 ↔ (𝐹 ↾ (ℤ≥‘𝑀))~~>*𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∈ wcel 2146 class class class wbr 5105 ↾ cres 5656 ‘cfv 6546 (class class class)co 7427 ↑pm cpm 8859 ℂcc 11208 ℝ*cxr 11352 ≤ cle 11354 ℤcz 12703 ℤ≥cuz 12975 ordTopcordt 17683 TopOnctopon 23240 ⇝𝑡clm 23556 ~~>*clsxlim 46967 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-sep 5251 ax-nul 5262 ax-pow 5330 ax-pr 5394 ax-un 7758 ax-cnex 11266 ax-resscn 11267 ax-pre-lttri 11284 ax-pre-lttrn 11285 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3369 df-rab 3416 df-v 3455 df-sbc 3742 df-csb 3851 df-ss 3900 df-pss 4016 df-dif 4049 df-in 4093 df-un 4153 df-nul 4281 df-if 4485 df-pw 4561 df-sn 4588 df-pr 4590 df-op 4838 df-uni 4870 df-int 4910 df-iun 4955 df-br 5106 df-opab 5170 df-mpt 5189 df-tr 5215 df-id 5549 df-eprel 5554 df-po 5562 df-so 5563 df-fr 5607 df-we 5609 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-ord 6371 df-on 6372 df-lim 6373 df-suc 6374 df-iota 6500 df-fun 6548 df-fn 6549 df-f 6550 df-f1 6551 df-fo 6552 df-f1o 6553 df-fv 6554 df-ov 7430 df-oprab 7431 df-mpo 7432 df-om 7885 df-1st 8008 df-2nd 8009 df-1o 8487 df-2o 8488 df-er 8728 df-pm 8861 df-en 8985 df-dom 8986 df-sdom 8987 df-fin 8988 df-fi 9413 df-pnf 11355 df-mnf 11356 df-xr 11357 df-ltxr 11358 df-le 11359 df-neg 11554 df-z 12704 df-uz 12976 df-topgen 17626 df-ordt 17685 df-ps 18752 df-tsr 18753 df-top 23224 df-topon 23241 df-bases 23276 df-lm 23559 df-xlim 46968 |
| This theorem is used by: xlimconst2 46984 xlimclim2lem 46988 climxlim2 46995 xlimresdm 47008 xlimliminflimsup 47011 |
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