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 | fvex 6201 | . . . . 5 ⊢ (ℤ≥‘𝑀) ∈ V | |
5 | 1, 4 | eqeltri 2697 | . . . 4 ⊢ 𝑍 ∈ V |
6 | 5 | mptex 6486 | . . 3 ⊢ (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) ∈ V |
7 | 6 | a1i 11 | . 2 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) ∈ V) |
8 | climsubmpt.d | . 2 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ 𝐵) ⇝ 𝐷) | |
9 | simpr 477 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → 𝑗 ∈ 𝑍) | |
10 | climsubmpt.k | . . . . . . 7 ⊢ Ⅎ𝑘𝜑 | |
11 | nfv 1843 | . . . . . . 7 ⊢ Ⅎ𝑘 𝑗 ∈ 𝑍 | |
12 | 10, 11 | nfan 1828 | . . . . . 6 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑗 ∈ 𝑍) |
13 | nfcv 2764 | . . . . . . . 8 ⊢ Ⅎ𝑘𝑗 | |
14 | 13 | nfcsb1 3548 | . . . . . . 7 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 |
15 | 14 | nfel1 2779 | . . . . . 6 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ |
16 | 12, 15 | nfim 1825 | . . . . 5 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ) |
17 | eleq1 2689 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ 𝑍 ↔ 𝑗 ∈ 𝑍)) | |
18 | 17 | anbi2d 740 | . . . . . 6 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ 𝑍) ↔ (𝜑 ∧ 𝑗 ∈ 𝑍))) |
19 | csbeq1a 3542 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → 𝐴 = ⦋𝑗 / 𝑘⦌𝐴) | |
20 | 19 | eleq1d 2686 | . . . . . 6 ⊢ (𝑘 = 𝑗 → (𝐴 ∈ ℂ ↔ ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ)) |
21 | 18, 20 | imbi12d 334 | . . . . 5 ⊢ (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐴 ∈ ℂ) ↔ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ))) |
22 | climsubmpt.a | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐴 ∈ ℂ) | |
23 | 16, 21, 22 | chvar 2262 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ) |
24 | eqid 2622 | . . . . 5 ⊢ (𝑘 ∈ 𝑍 ↦ 𝐴) = (𝑘 ∈ 𝑍 ↦ 𝐴) | |
25 | 13, 14, 19, 24 | fvmptf 6301 | . . . 4 ⊢ ((𝑗 ∈ 𝑍 ∧ ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
26 | 9, 23, 25 | syl2anc 693 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
27 | 26, 23 | eqeltrd 2701 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) ∈ ℂ) |
28 | 13 | nfcsb1 3548 | . . . . . . 7 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐵 |
29 | nfcv 2764 | . . . . . . 7 ⊢ Ⅎ𝑘ℂ | |
30 | 28, 29 | nfel 2777 | . . . . . 6 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ |
31 | 12, 30 | nfim 1825 | . . . . 5 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ) |
32 | csbeq1a 3542 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → 𝐵 = ⦋𝑗 / 𝑘⦌𝐵) | |
33 | 32 | eleq1d 2686 | . . . . . 6 ⊢ (𝑘 = 𝑗 → (𝐵 ∈ ℂ ↔ ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ)) |
34 | 18, 33 | imbi12d 334 | . . . . 5 ⊢ (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐵 ∈ ℂ) ↔ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ))) |
35 | climsubmpt.b | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐵 ∈ ℂ) | |
36 | 31, 34, 35 | chvar 2262 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ) |
37 | eqid 2622 | . . . . 5 ⊢ (𝑘 ∈ 𝑍 ↦ 𝐵) = (𝑘 ∈ 𝑍 ↦ 𝐵) | |
38 | 13, 28, 32, 37 | fvmptf 6301 | . . . 4 ⊢ ((𝑗 ∈ 𝑍 ∧ ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ) → ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐵) |
39 | 9, 36, 38 | syl2anc 693 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐵) |
40 | 39, 36 | eqeltrd 2701 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗) ∈ ℂ) |
41 | ovexd 6680 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵) ∈ V) | |
42 | nfcv 2764 | . . . . . 6 ⊢ Ⅎ𝑘 − | |
43 | 14, 42, 28 | nfov 6676 | . . . . 5 ⊢ Ⅎ𝑘(⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵) |
44 | 19, 32 | oveq12d 6668 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐴 − 𝐵) = (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵)) |
45 | eqid 2622 | . . . . 5 ⊢ (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) = (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) | |
46 | 13, 43, 44, 45 | fvmptf 6301 | . . . 4 ⊢ ((𝑗 ∈ 𝑍 ∧ (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵) ∈ V) → ((𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵))‘𝑗) = (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵)) |
47 | 9, 41, 46 | syl2anc 693 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵))‘𝑗) = (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵)) |
48 | 26, 39 | oveq12d 6668 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) − ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗)) = (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵)) |
49 | 47, 48 | eqtr4d 2659 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵))‘𝑗) = (((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) − ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗))) |
50 | 1, 2, 3, 7, 8, 27, 40, 49 | climsub 14364 | 1 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) ⇝ (𝐶 − 𝐷)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 384 = wceq 1483 Ⅎwnf 1708 ∈ wcel 1990 Vcvv 3200 ⦋csb 3533 class class class wbr 4653 ↦ cmpt 4729 ‘cfv 5888 (class class class)co 6650 ℂcc 9934 − cmin 10266 ℤcz 11377 ℤ≥cuz 11687 ⇝ cli 14215 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 ax-pre-sup 10014 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-sup 8348 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-div 10685 df-nn 11021 df-2 11079 df-3 11080 df-n0 11293 df-z 11378 df-uz 11688 df-rp 11833 df-seq 12802 df-exp 12861 df-cj 13839 df-re 13840 df-im 13841 df-sqrt 13975 df-abs 13976 df-clim 14219 |
This theorem is referenced by: climsubc2mpt 39893 climsubc1mpt 39894 |
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