| 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 23373 | . . . 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 23468 | . 2 ⊢ (𝜑 → (𝐹(⇝𝑡‘(ordTop‘ ≤ ))𝐴 ↔ (𝐹 ↾ (ℤ≥‘𝑀))(⇝𝑡‘(ordTop‘ ≤ ))𝐴)) |
| 6 | df-xlim 46561 | . . 3 ⊢ ~~>* = (⇝𝑡‘(ordTop‘ ≤ )) | |
| 7 | 6 | breqi 5114 | . 2 ⊢ (𝐹~~>*𝐴 ↔ 𝐹(⇝𝑡‘(ordTop‘ ≤ ))𝐴) |
| 8 | 6 | breqi 5114 | . 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 2142 class class class wbr 5108 ↾ cres 5662 ‘cfv 6536 (class class class)co 7412 ↑pm cpm 8823 ℂcc 11104 ℝ*cxr 11248 ≤ cle 11250 ℤcz 12597 ℤ≥cuz 12868 ordTopcordt 17559 TopOnctopon 23078 ⇝𝑡clm 23394 ~~>*clsxlim 46560 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 ax-cnex 11162 ax-resscn 11163 ax-pre-lttri 11180 ax-pre-lttrn 11181 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1103 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3369 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-int 4912 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5555 df-eprel 5560 df-po 5568 df-so 5569 df-fr 5613 df-we 5615 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7861 df-1st 7984 df-2nd 7985 df-1o 8451 df-2o 8452 df-er 8692 df-pm 8825 df-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 df-fi 9369 df-pnf 11251 df-mnf 11252 df-xr 11253 df-ltxr 11254 df-le 11255 df-neg 11450 df-z 12598 df-uz 12869 df-topgen 17502 df-ordt 17561 df-ps 18628 df-tsr 18629 df-top 23062 df-topon 23079 df-bases 23114 df-lm 23397 df-xlim 46561 |
| This theorem is used by: xlimconst2 46577 xlimclim2lem 46581 climxlim2 46588 xlimresdm 46601 xlimliminflimsup 46604 |
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