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 6818 | . . . 4 ⊢ 𝑍 ∈ V |
5 | 4 | mptex 7131 | . . 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 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → 𝑗 ∈ 𝑍) | |
9 | climsubmpt.k | . . . . . . 7 ⊢ Ⅎ𝑘𝜑 | |
10 | nfv 1915 | . . . . . . 7 ⊢ Ⅎ𝑘 𝑗 ∈ 𝑍 | |
11 | 9, 10 | nfan 1900 | . . . . . 6 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑗 ∈ 𝑍) |
12 | nfcv 2905 | . . . . . . . 8 ⊢ Ⅎ𝑘𝑗 | |
13 | 12 | nfcsb1 3861 | . . . . . . 7 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 |
14 | 13 | nfel1 2921 | . . . . . 6 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ |
15 | 11, 14 | nfim 1897 | . . . . 5 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ) |
16 | eleq1w 2819 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ 𝑍 ↔ 𝑗 ∈ 𝑍)) | |
17 | 16 | anbi2d 630 | . . . . . 6 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ 𝑍) ↔ (𝜑 ∧ 𝑗 ∈ 𝑍))) |
18 | csbeq1a 3851 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → 𝐴 = ⦋𝑗 / 𝑘⦌𝐴) | |
19 | 18 | eleq1d 2821 | . . . . . 6 ⊢ (𝑘 = 𝑗 → (𝐴 ∈ ℂ ↔ ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ)) |
20 | 17, 19 | imbi12d 345 | . . . . 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 2231 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ) |
23 | eqid 2736 | . . . . 5 ⊢ (𝑘 ∈ 𝑍 ↦ 𝐴) = (𝑘 ∈ 𝑍 ↦ 𝐴) | |
24 | 12, 13, 18, 23 | fvmptf 6928 | . . . 4 ⊢ ((𝑗 ∈ 𝑍 ∧ ⦋𝑗 / 𝑘⦌𝐴 ∈ ℂ) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
25 | 8, 22, 24 | syl2anc 585 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐴) |
26 | 25, 22 | eqeltrd 2837 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) ∈ ℂ) |
27 | 12 | nfcsb1 3861 | . . . . . . 7 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐵 |
28 | nfcv 2905 | . . . . . . 7 ⊢ Ⅎ𝑘ℂ | |
29 | 27, 28 | nfel 2919 | . . . . . 6 ⊢ Ⅎ𝑘⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ |
30 | 11, 29 | nfim 1897 | . . . . 5 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ) |
31 | csbeq1a 3851 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → 𝐵 = ⦋𝑗 / 𝑘⦌𝐵) | |
32 | 31 | eleq1d 2821 | . . . . . 6 ⊢ (𝑘 = 𝑗 → (𝐵 ∈ ℂ ↔ ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ)) |
33 | 17, 32 | imbi12d 345 | . . . . 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 2231 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ) |
36 | eqid 2736 | . . . . 5 ⊢ (𝑘 ∈ 𝑍 ↦ 𝐵) = (𝑘 ∈ 𝑍 ↦ 𝐵) | |
37 | 12, 27, 31, 36 | fvmptf 6928 | . . . 4 ⊢ ((𝑗 ∈ 𝑍 ∧ ⦋𝑗 / 𝑘⦌𝐵 ∈ ℂ) → ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐵) |
38 | 8, 35, 37 | syl2anc 585 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗) = ⦋𝑗 / 𝑘⦌𝐵) |
39 | 38, 35 | eqeltrd 2837 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗) ∈ ℂ) |
40 | ovexd 7342 | . . . 4 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵) ∈ V) | |
41 | nfcv 2905 | . . . . . 6 ⊢ Ⅎ𝑘 − | |
42 | 13, 41, 27 | nfov 7337 | . . . . 5 ⊢ Ⅎ𝑘(⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵) |
43 | 18, 31 | oveq12d 7325 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐴 − 𝐵) = (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵)) |
44 | eqid 2736 | . . . . 5 ⊢ (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) = (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) | |
45 | 12, 42, 43, 44 | fvmptf 6928 | . . . 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 585 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → ((𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵))‘𝑗) = (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵)) |
47 | 25, 38 | oveq12d 7325 | . . 3 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (((𝑘 ∈ 𝑍 ↦ 𝐴)‘𝑗) − ((𝑘 ∈ 𝑍 ↦ 𝐵)‘𝑗)) = (⦋𝑗 / 𝑘⦌𝐴 − ⦋𝑗 / 𝑘⦌𝐵)) |
48 | 46, 47 | eqtr4d 2779 | . 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 15392 | 1 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (𝐴 − 𝐵)) ⇝ (𝐶 − 𝐷)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 397 = wceq 1539 Ⅎwnf 1783 ∈ wcel 2104 Vcvv 3437 ⦋csb 3837 class class class wbr 5081 ↦ cmpt 5164 ‘cfv 6458 (class class class)co 7307 ℂcc 10919 − cmin 11255 ℤcz 12369 ℤ≥cuz 12632 ⇝ cli 15242 |
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 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-rep 5218 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-cnex 10977 ax-resscn 10978 ax-1cn 10979 ax-icn 10980 ax-addcl 10981 ax-addrcl 10982 ax-mulcl 10983 ax-mulrcl 10984 ax-mulcom 10985 ax-addass 10986 ax-mulass 10987 ax-distr 10988 ax-i2m1 10989 ax-1ne0 10990 ax-1rid 10991 ax-rnegex 10992 ax-rrecex 10993 ax-cnre 10994 ax-pre-lttri 10995 ax-pre-lttrn 10996 ax-pre-ltadd 10997 ax-pre-mulgt0 10998 ax-pre-sup 10999 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3304 df-reu 3305 df-rab 3306 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-op 4572 df-uni 4845 df-iun 4933 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5500 df-eprel 5506 df-po 5514 df-so 5515 df-fr 5555 df-we 5557 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-pred 6217 df-ord 6284 df-on 6285 df-lim 6286 df-suc 6287 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-riota 7264 df-ov 7310 df-oprab 7311 df-mpo 7312 df-om 7745 df-2nd 7864 df-frecs 8128 df-wrecs 8159 df-recs 8233 df-rdg 8272 df-er 8529 df-en 8765 df-dom 8766 df-sdom 8767 df-sup 9249 df-pnf 11061 df-mnf 11062 df-xr 11063 df-ltxr 11064 df-le 11065 df-sub 11257 df-neg 11258 df-div 11683 df-nn 12024 df-2 12086 df-3 12087 df-n0 12284 df-z 12370 df-uz 12633 df-rp 12781 df-seq 13772 df-exp 13833 df-cj 14859 df-re 14860 df-im 14861 df-sqrt 14995 df-abs 14996 df-clim 15246 |
This theorem is referenced by: climsubc2mpt 43431 climsubc1mpt 43432 |
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