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Mirrors > Home > MPE Home > Th. List > climres | Structured version Visualization version GIF version |
Description: A function restricted to upper integers converges iff the original function converges. (Contributed by Mario Carneiro, 13-Jul-2013.) (Revised by Mario Carneiro, 31-Jan-2014.) |
Ref | Expression |
---|---|
climres | ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → ((𝐹 ↾ (ℤ≥‘𝑀)) ⇝ 𝐴 ↔ 𝐹 ⇝ 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2733 | . 2 ⊢ (ℤ≥‘𝑀) = (ℤ≥‘𝑀) | |
2 | resexg 6025 | . . 3 ⊢ (𝐹 ∈ 𝑉 → (𝐹 ↾ (ℤ≥‘𝑀)) ∈ V) | |
3 | 2 | adantl 483 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → (𝐹 ↾ (ℤ≥‘𝑀)) ∈ V) |
4 | simpr 486 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → 𝐹 ∈ 𝑉) | |
5 | simpl 484 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → 𝑀 ∈ ℤ) | |
6 | fvres 6907 | . . 3 ⊢ (𝑘 ∈ (ℤ≥‘𝑀) → ((𝐹 ↾ (ℤ≥‘𝑀))‘𝑘) = (𝐹‘𝑘)) | |
7 | 6 | adantl 483 | . 2 ⊢ (((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → ((𝐹 ↾ (ℤ≥‘𝑀))‘𝑘) = (𝐹‘𝑘)) |
8 | 1, 3, 4, 5, 7 | climeq 15507 | 1 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → ((𝐹 ↾ (ℤ≥‘𝑀)) ⇝ 𝐴 ↔ 𝐹 ⇝ 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 = wceq 1542 ∈ wcel 2107 Vcvv 3475 class class class wbr 5147 ↾ cres 5677 ‘cfv 6540 ℤcz 12554 ℤ≥cuz 12818 ⇝ cli 15424 |
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 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 ax-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 ax-un 7720 ax-cnex 11162 ax-resscn 11163 ax-pre-lttri 11180 ax-pre-lttrn 11181 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2886 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rab 3434 df-v 3477 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-nul 4322 df-if 4528 df-pw 4603 df-sn 4628 df-pr 4630 df-op 4634 df-uni 4908 df-br 5148 df-opab 5210 df-mpt 5231 df-id 5573 df-po 5587 df-so 5588 df-xp 5681 df-rel 5682 df-cnv 5683 df-co 5684 df-dm 5685 df-rn 5686 df-res 5687 df-ima 5688 df-iota 6492 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-ov 7407 df-er 8699 df-en 8936 df-dom 8937 df-sdom 8938 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-neg 11443 df-z 12555 df-uz 12819 df-clim 15428 |
This theorem is referenced by: sumrb 15655 divcnvshft 15797 prodrblem2 15871 iscmet3lem3 24789 leibpilem2 26426 lgamcvg2 26539 divcnvlin 34640 radcnvrat 43006 hashnzfzclim 43014 climresmpt 44310 xlimclim2lem 44490 climxlim2 44497 climresd 44500 |
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