Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > climsubmpt | Structured version Visualization version GIF version |
Description: Limit of the difference of two converging sequences. (Contributed by Glauco Siliprandi, 8-Apr-2021.) |
Ref | Expression |
---|---|
climsubmpt.k | ⊢ Ⅎ𝑘𝜑 |
climsubmpt.z | ⊢ 𝑍 = (ℤ≥‘𝑀) |
climsubmpt.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
climsubmpt.a | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐴 ∈ ℂ) |
climsubmpt.b | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐵 ∈ ℂ) |
climsubmpt.c | ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ 𝐴) ⇝ 𝐶) |
climsubmpt.d | ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ 𝐵) ⇝ 𝐷) |
Ref | Expression |
---|---|
climsubmpt | ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) ⇝ (𝐶 − 𝐷)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | climsubmpt.z | . 2 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
2 | climsubmpt.m | . 2 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
3 | climsubmpt.c | . 2 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ 𝐴) ⇝ 𝐶) | |
4 | 1 | fvexi 6720 | . . . 4 ⊢ 𝑍 ∈ V |
5 | 4 | mptex 7028 | . . 3 ⊢ (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) ∈ V |
6 | 5 | a1i 11 | . 2 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) ∈ V) |
7 | climsubmpt.d | . 2 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ 𝐵) ⇝ 𝐷) | |
8 | simpr 488 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → 𝑗 ∈ 𝑍) | |
9 | climsubmpt.k | . . . . . . 7 ⊢ Ⅎ𝑘𝜑 | |
10 | nfv 1922 | . . . . . . 7 ⊢ Ⅎ𝑘 𝑗 ∈ 𝑍 | |
11 | 9, 10 | nfan 1907 | . . . . . 6 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑗 ∈ 𝑍) |
12 | nfcv 2900 | . . . . . . . 8 ⊢ Ⅎ𝑘𝑗 | |
13 | 12 | nfcsb1 3826 | . . . . . . 7 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 |
14 | 13 | nfel1 2916 | . . . . . 6 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ |
15 | 11, 14 | nfim 1904 | . . . . 5 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ) |
16 | eleq1w 2816 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ 𝑍 ↔ 𝑗 ∈ 𝑍)) | |
17 | 16 | anbi2d 632 | . . . . . 6 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ 𝑍) ↔ (𝜑 ∧ 𝑗 ∈ 𝑍))) |
18 | csbeq1a 3816 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → 𝐴 = ⦋𝑗 / 𝑘⦌𝐴) | |
19 | 18 | eleq1d 2818 | . . . . . 6 ⊢ (𝑘 = 𝑗 → (𝐴 ∈ ℂ ↔ ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ)) |
20 | 17, 19 | imbi12d 348 | . . . . 5 ⊢ (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐴 ∈ ℂ) ↔ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ))) |
21 | climsubmpt.a | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐴 ∈ ℂ) | |
22 | 15, 20, 21 | chvarfv 2238 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ) |
23 | eqid 2734 | . . . . 5 ⊢ (𝑘 ∈ 𝑍 ↦ 𝐴) = (𝑘 ∈ 𝑍 ↦ 𝐴) | |
24 | 12, 13, 18, 23 | fvmptf 6828 | . . . 4 ⊢ ((𝑗 ∈ 𝑍 ∧ ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
25 | 8, 22, 24 | syl2anc 587 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
26 | 25, 22 | eqeltrd 2834 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) ∈ ℂ) |
27 | 12 | nfcsb1 3826 | . . . . . . 7 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐵 |
28 | nfcv 2900 | . . . . . . 7 ⊢ Ⅎ𝑘ℂ | |
29 | 27, 28 | nfel 2914 | . . . . . 6 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ |
30 | 11, 29 | nfim 1904 | . . . . 5 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ) |
31 | csbeq1a 3816 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → 𝐵 = ⦋𝑗 / 𝑘⦌𝐵) | |
32 | 31 | eleq1d 2818 | . . . . . 6 ⊢ (𝑘 = 𝑗 → (𝐵 ∈ ℂ ↔ ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ)) |
33 | 17, 32 | imbi12d 348 | . . . . 5 ⊢ (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐵 ∈ ℂ) ↔ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ))) |
34 | climsubmpt.b | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐵 ∈ ℂ) | |
35 | 30, 33, 34 | chvarfv 2238 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ) |
36 | eqid 2734 | . . . . 5 ⊢ (𝑘 ∈ 𝑍 ↦ 𝐵) = (𝑘 ∈ 𝑍 ↦ 𝐵) | |
37 | 12, 27, 31, 36 | fvmptf 6828 | . . . 4 ⊢ ((𝑗 ∈ 𝑍 ∧ ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ) → ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐵) |
38 | 8, 35, 37 | syl2anc 587 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐵) |
39 | 38, 35 | eqeltrd 2834 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗) ∈ ℂ) |
40 | ovexd 7237 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵) ∈ V) | |
41 | nfcv 2900 | . . . . . 6 ⊢ Ⅎ𝑘 − | |
42 | 13, 41, 27 | nfov 7232 | . . . . 5 ⊢ Ⅎ𝑘(⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵) |
43 | 18, 31 | oveq12d 7220 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐴 − 𝐵) = (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵)) |
44 | eqid 2734 | . . . . 5 ⊢ (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) = (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) | |
45 | 12, 42, 43, 44 | fvmptf 6828 | . . . 4 ⊢ ((𝑗 ∈ 𝑍 ∧ (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵) ∈ V) → ((𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵))‘𝑗) = (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵)) |
46 | 8, 40, 45 | syl2anc 587 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵))‘𝑗) = (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵)) |
47 | 25, 38 | oveq12d 7220 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) − ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗)) = (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵)) |
48 | 46, 47 | eqtr4d 2777 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵))‘𝑗) = (((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) − ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗))) |
49 | 1, 2, 3, 6, 7, 26, 39, 48 | climsub 15178 | 1 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) ⇝ (𝐶 − 𝐷)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 Ⅎwnf 1791 ∈ wcel 2110 Vcvv 3401 ⦋csb 3802 class class class wbr 5043 ↦ cmpt 5124 ‘cfv 6369 (class class class)co 7202 ℂcc 10710 − cmin 11045 ℤcz 12159 ℤ≥cuz 12421 ⇝ cli 15028 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2706 ax-rep 5168 ax-sep 5181 ax-nul 5188 ax-pow 5247 ax-pr 5311 ax-un 7512 ax-cnex 10768 ax-resscn 10769 ax-1cn 10770 ax-icn 10771 ax-addcl 10772 ax-addrcl 10773 ax-mulcl 10774 ax-mulrcl 10775 ax-mulcom 10776 ax-addass 10777 ax-mulass 10778 ax-distr 10779 ax-i2m1 10780 ax-1ne0 10781 ax-1rid 10782 ax-rnegex 10783 ax-rrecex 10784 ax-cnre 10785 ax-pre-lttri 10786 ax-pre-lttrn 10787 ax-pre-ltadd 10788 ax-pre-mulgt0 10789 ax-pre-sup 10790 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2537 df-eu 2566 df-clab 2713 df-cleq 2726 df-clel 2812 df-nfc 2882 df-ne 2936 df-nel 3040 df-ral 3059 df-rex 3060 df-reu 3061 df-rmo 3062 df-rab 3063 df-v 3403 df-sbc 3688 df-csb 3803 df-dif 3860 df-un 3862 df-in 3864 df-ss 3874 df-pss 3876 df-nul 4228 df-if 4430 df-pw 4505 df-sn 4532 df-pr 4534 df-tp 4536 df-op 4538 df-uni 4810 df-iun 4896 df-br 5044 df-opab 5106 df-mpt 5125 df-tr 5151 df-id 5444 df-eprel 5449 df-po 5457 df-so 5458 df-fr 5498 df-we 5500 df-xp 5546 df-rel 5547 df-cnv 5548 df-co 5549 df-dm 5550 df-rn 5551 df-res 5552 df-ima 5553 df-pred 6149 df-ord 6205 df-on 6206 df-lim 6207 df-suc 6208 df-iota 6327 df-fun 6371 df-fn 6372 df-f 6373 df-f1 6374 df-fo 6375 df-f1o 6376 df-fv 6377 df-riota 7159 df-ov 7205 df-oprab 7206 df-mpo 7207 df-om 7634 df-2nd 7751 df-wrecs 8036 df-recs 8097 df-rdg 8135 df-er 8380 df-en 8616 df-dom 8617 df-sdom 8618 df-sup 9047 df-pnf 10852 df-mnf 10853 df-xr 10854 df-ltxr 10855 df-le 10856 df-sub 11047 df-neg 11048 df-div 11473 df-nn 11814 df-2 11876 df-3 11877 df-n0 12074 df-z 12160 df-uz 12422 df-rp 12570 df-seq 13558 df-exp 13619 df-cj 14645 df-re 14646 df-im 14647 df-sqrt 14781 df-abs 14782 df-clim 15032 |
This theorem is referenced by: climsubc2mpt 42831 climsubc1mpt 42832 |
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