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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 2729 | . 2 ⊢ (ℤ≥‘𝑀) = (ℤ≥‘𝑀) | |
| 2 | resexg 5987 | . . 3 ⊢ (𝐹 ∈ 𝑉 → (𝐹 ↾ (ℤ≥‘𝑀)) ∈ V) | |
| 3 | 2 | adantl 481 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → (𝐹 ↾ (ℤ≥‘𝑀)) ∈ V) |
| 4 | simpr 484 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → 𝐹 ∈ 𝑉) | |
| 5 | simpl 482 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → 𝑀 ∈ ℤ) | |
| 6 | fvres 6859 | . . 3 ⊢ (𝑘 ∈ (ℤ≥‘𝑀) → ((𝐹 ↾ (ℤ≥‘𝑀))‘𝑘) = (𝐹‘𝑘)) | |
| 7 | 6 | adantl 481 | . 2 ⊢ (((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → ((𝐹 ↾ (ℤ≥‘𝑀))‘𝑘) = (𝐹‘𝑘)) |
| 8 | 1, 3, 4, 5, 7 | climeq 15509 | 1 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → ((𝐹 ↾ (ℤ≥‘𝑀)) ⇝ 𝐴 ↔ 𝐹 ⇝ 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1540 ∈ wcel 2109 Vcvv 3444 class class class wbr 5102 ↾ cres 5633 ‘cfv 6499 ℤcz 12505 ℤ≥cuz 12769 ⇝ cli 15426 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7691 ax-cnex 11100 ax-resscn 11101 ax-pre-lttri 11118 ax-pre-lttrn 11119 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-br 5103 df-opab 5165 df-mpt 5184 df-id 5526 df-po 5539 df-so 5540 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6452 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-ov 7372 df-er 8648 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11186 df-mnf 11187 df-xr 11188 df-ltxr 11189 df-le 11190 df-neg 11384 df-z 12506 df-uz 12770 df-clim 15430 |
| This theorem is referenced by: sumrb 15655 divcnvshft 15797 prodrblem2 15873 iscmet3lem3 25166 leibpilem2 26827 lgamcvg2 26941 divcnvlin 35693 radcnvrat 44276 hashnzfzclim 44284 climresmpt 45630 xlimclim2lem 45810 climxlim2 45817 climresd 45820 |
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