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Mirrors > Home > MPE Home > Th. List > taylfvallem1 | Structured version Visualization version GIF version |
Description: Lemma for taylfval 25066. (Contributed by Mario Carneiro, 30-Dec-2016.) |
Ref | Expression |
---|---|
taylfval.s | ⊢ (𝜑 → 𝑆 ∈ {ℝ, ℂ}) |
taylfval.f | ⊢ (𝜑 → 𝐹:𝐴⟶ℂ) |
taylfval.a | ⊢ (𝜑 → 𝐴 ⊆ 𝑆) |
taylfval.n | ⊢ (𝜑 → (𝑁 ∈ ℕ0 ∨ 𝑁 = +∞)) |
taylfval.b | ⊢ ((𝜑 ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐵 ∈ dom ((𝑆 D𝑛 𝐹)‘𝑘)) |
Ref | Expression |
---|---|
taylfvallem1 | ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (((((𝑆 D𝑛 𝐹)‘𝑘)‘𝐵) / (!‘𝑘)) · ((𝑋 − 𝐵)↑𝑘)) ∈ ℂ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | taylfval.s | . . . . . 6 ⊢ (𝜑 → 𝑆 ∈ {ℝ, ℂ}) | |
2 | 1 | ad2antrr 725 | . . . . 5 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑆 ∈ {ℝ, ℂ}) |
3 | cnex 10669 | . . . . . . . 8 ⊢ ℂ ∈ V | |
4 | 3 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → ℂ ∈ V) |
5 | taylfval.f | . . . . . . 7 ⊢ (𝜑 → 𝐹:𝐴⟶ℂ) | |
6 | taylfval.a | . . . . . . 7 ⊢ (𝜑 → 𝐴 ⊆ 𝑆) | |
7 | elpm2r 8440 | . . . . . . 7 ⊢ (((ℂ ∈ V ∧ 𝑆 ∈ {ℝ, ℂ}) ∧ (𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆)) → 𝐹 ∈ (ℂ ↑pm 𝑆)) | |
8 | 4, 1, 5, 6, 7 | syl22anc 837 | . . . . . 6 ⊢ (𝜑 → 𝐹 ∈ (ℂ ↑pm 𝑆)) |
9 | 8 | ad2antrr 725 | . . . . 5 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐹 ∈ (ℂ ↑pm 𝑆)) |
10 | simpr 488 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) | |
11 | 10 | elin2d 4106 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑘 ∈ ℤ) |
12 | 10 | elin1d 4105 | . . . . . . . 8 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑘 ∈ (0[,]𝑁)) |
13 | 0xr 10739 | . . . . . . . . 9 ⊢ 0 ∈ ℝ* | |
14 | taylfval.n | . . . . . . . . . . 11 ⊢ (𝜑 → (𝑁 ∈ ℕ0 ∨ 𝑁 = +∞)) | |
15 | nn0re 11956 | . . . . . . . . . . . . 13 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℝ) | |
16 | 15 | rexrd 10742 | . . . . . . . . . . . 12 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℝ*) |
17 | id 22 | . . . . . . . . . . . . 13 ⊢ (𝑁 = +∞ → 𝑁 = +∞) | |
18 | pnfxr 10746 | . . . . . . . . . . . . 13 ⊢ +∞ ∈ ℝ* | |
19 | 17, 18 | eqeltrdi 2860 | . . . . . . . . . . . 12 ⊢ (𝑁 = +∞ → 𝑁 ∈ ℝ*) |
20 | 16, 19 | jaoi 854 | . . . . . . . . . . 11 ⊢ ((𝑁 ∈ ℕ0 ∨ 𝑁 = +∞) → 𝑁 ∈ ℝ*) |
21 | 14, 20 | syl 17 | . . . . . . . . . 10 ⊢ (𝜑 → 𝑁 ∈ ℝ*) |
22 | 21 | ad2antrr 725 | . . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑁 ∈ ℝ*) |
23 | elicc1 12836 | . . . . . . . . 9 ⊢ ((0 ∈ ℝ* ∧ 𝑁 ∈ ℝ*) → (𝑘 ∈ (0[,]𝑁) ↔ (𝑘 ∈ ℝ* ∧ 0 ≤ 𝑘 ∧ 𝑘 ≤ 𝑁))) | |
24 | 13, 22, 23 | sylancr 590 | . . . . . . . 8 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (𝑘 ∈ (0[,]𝑁) ↔ (𝑘 ∈ ℝ* ∧ 0 ≤ 𝑘 ∧ 𝑘 ≤ 𝑁))) |
25 | 12, 24 | mpbid 235 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (𝑘 ∈ ℝ* ∧ 0 ≤ 𝑘 ∧ 𝑘 ≤ 𝑁)) |
26 | 25 | simp2d 1140 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 0 ≤ 𝑘) |
27 | elnn0z 12046 | . . . . . 6 ⊢ (𝑘 ∈ ℕ0 ↔ (𝑘 ∈ ℤ ∧ 0 ≤ 𝑘)) | |
28 | 11, 26, 27 | sylanbrc 586 | . . . . 5 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑘 ∈ ℕ0) |
29 | dvnf 24639 | . . . . 5 ⊢ ((𝑆 ∈ {ℝ, ℂ} ∧ 𝐹 ∈ (ℂ ↑pm 𝑆) ∧ 𝑘 ∈ ℕ0) → ((𝑆 D𝑛 𝐹)‘𝑘):dom ((𝑆 D𝑛 𝐹)‘𝑘)⟶ℂ) | |
30 | 2, 9, 28, 29 | syl3anc 1368 | . . . 4 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → ((𝑆 D𝑛 𝐹)‘𝑘):dom ((𝑆 D𝑛 𝐹)‘𝑘)⟶ℂ) |
31 | taylfval.b | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐵 ∈ dom ((𝑆 D𝑛 𝐹)‘𝑘)) | |
32 | 31 | adantlr 714 | . . . 4 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐵 ∈ dom ((𝑆 D𝑛 𝐹)‘𝑘)) |
33 | 30, 32 | ffvelrnd 6849 | . . 3 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (((𝑆 D𝑛 𝐹)‘𝑘)‘𝐵) ∈ ℂ) |
34 | 28 | faccld 13707 | . . . 4 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (!‘𝑘) ∈ ℕ) |
35 | 34 | nncnd 11703 | . . 3 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (!‘𝑘) ∈ ℂ) |
36 | 34 | nnne0d 11737 | . . 3 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (!‘𝑘) ≠ 0) |
37 | 33, 35, 36 | divcld 11467 | . 2 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → ((((𝑆 D𝑛 𝐹)‘𝑘)‘𝐵) / (!‘𝑘)) ∈ ℂ) |
38 | simplr 768 | . . . 4 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑋 ∈ ℂ) | |
39 | 5 | ad2antrr 725 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐹:𝐴⟶ℂ) |
40 | dvnbss 24640 | . . . . . . . 8 ⊢ ((𝑆 ∈ {ℝ, ℂ} ∧ 𝐹 ∈ (ℂ ↑pm 𝑆) ∧ 𝑘 ∈ ℕ0) → dom ((𝑆 D𝑛 𝐹)‘𝑘) ⊆ dom 𝐹) | |
41 | 2, 9, 28, 40 | syl3anc 1368 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → dom ((𝑆 D𝑛 𝐹)‘𝑘) ⊆ dom 𝐹) |
42 | 39, 41 | fssdmd 6519 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → dom ((𝑆 D𝑛 𝐹)‘𝑘) ⊆ 𝐴) |
43 | recnprss 24616 | . . . . . . . . 9 ⊢ (𝑆 ∈ {ℝ, ℂ} → 𝑆 ⊆ ℂ) | |
44 | 1, 43 | syl 17 | . . . . . . . 8 ⊢ (𝜑 → 𝑆 ⊆ ℂ) |
45 | 6, 44 | sstrd 3904 | . . . . . . 7 ⊢ (𝜑 → 𝐴 ⊆ ℂ) |
46 | 45 | ad2antrr 725 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐴 ⊆ ℂ) |
47 | 42, 46 | sstrd 3904 | . . . . 5 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → dom ((𝑆 D𝑛 𝐹)‘𝑘) ⊆ ℂ) |
48 | 47, 32 | sseldd 3895 | . . . 4 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐵 ∈ ℂ) |
49 | 38, 48 | subcld 11048 | . . 3 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (𝑋 − 𝐵) ∈ ℂ) |
50 | 49, 28 | expcld 13573 | . 2 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → ((𝑋 − 𝐵)↑𝑘) ∈ ℂ) |
51 | 37, 50 | mulcld 10712 | 1 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (((((𝑆 D𝑛 𝐹)‘𝑘)‘𝐵) / (!‘𝑘)) · ((𝑋 − 𝐵)↑𝑘)) ∈ ℂ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 ∨ wo 844 ∧ w3a 1084 = wceq 1538 ∈ wcel 2111 Vcvv 3409 ∩ cin 3859 ⊆ wss 3860 {cpr 4527 class class class wbr 5036 dom cdm 5528 ⟶wf 6336 ‘cfv 6340 (class class class)co 7156 ↑pm cpm 8423 ℂcc 10586 ℝcr 10587 0cc0 10588 · cmul 10593 +∞cpnf 10723 ℝ*cxr 10725 ≤ cle 10727 − cmin 10921 / cdiv 11348 ℕ0cn0 11947 ℤcz 12033 [,]cicc 12795 ↑cexp 13492 !cfa 13696 D𝑛 cdvn 24576 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2729 ax-rep 5160 ax-sep 5173 ax-nul 5180 ax-pow 5238 ax-pr 5302 ax-un 7465 ax-inf2 9150 ax-cnex 10644 ax-resscn 10645 ax-1cn 10646 ax-icn 10647 ax-addcl 10648 ax-addrcl 10649 ax-mulcl 10650 ax-mulrcl 10651 ax-mulcom 10652 ax-addass 10653 ax-mulass 10654 ax-distr 10655 ax-i2m1 10656 ax-1ne0 10657 ax-1rid 10658 ax-rnegex 10659 ax-rrecex 10660 ax-cnre 10661 ax-pre-lttri 10662 ax-pre-lttrn 10663 ax-pre-ltadd 10664 ax-pre-mulgt0 10665 ax-pre-sup 10666 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2557 df-eu 2588 df-clab 2736 df-cleq 2750 df-clel 2830 df-nfc 2901 df-ne 2952 df-nel 3056 df-ral 3075 df-rex 3076 df-reu 3077 df-rmo 3078 df-rab 3079 df-v 3411 df-sbc 3699 df-csb 3808 df-dif 3863 df-un 3865 df-in 3867 df-ss 3877 df-pss 3879 df-nul 4228 df-if 4424 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4802 df-int 4842 df-iun 4888 df-iin 4889 df-br 5037 df-opab 5099 df-mpt 5117 df-tr 5143 df-id 5434 df-eprel 5439 df-po 5447 df-so 5448 df-fr 5487 df-we 5489 df-xp 5534 df-rel 5535 df-cnv 5536 df-co 5537 df-dm 5538 df-rn 5539 df-res 5540 df-ima 5541 df-pred 6131 df-ord 6177 df-on 6178 df-lim 6179 df-suc 6180 df-iota 6299 df-fun 6342 df-fn 6343 df-f 6344 df-f1 6345 df-fo 6346 df-f1o 6347 df-fv 6348 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7586 df-1st 7699 df-2nd 7700 df-wrecs 7963 df-recs 8024 df-rdg 8062 df-1o 8118 df-er 8305 df-map 8424 df-pm 8425 df-en 8541 df-dom 8542 df-sdom 8543 df-fin 8544 df-fi 8921 df-sup 8952 df-inf 8953 df-pnf 10728 df-mnf 10729 df-xr 10730 df-ltxr 10731 df-le 10732 df-sub 10923 df-neg 10924 df-div 11349 df-nn 11688 df-2 11750 df-3 11751 df-4 11752 df-5 11753 df-6 11754 df-7 11755 df-8 11756 df-9 11757 df-n0 11948 df-z 12034 df-dec 12151 df-uz 12296 df-q 12402 df-rp 12444 df-xneg 12561 df-xadd 12562 df-xmul 12563 df-icc 12799 df-fz 12953 df-seq 13432 df-exp 13493 df-fac 13697 df-cj 14519 df-re 14520 df-im 14521 df-sqrt 14655 df-abs 14656 df-struct 16556 df-ndx 16557 df-slot 16558 df-base 16560 df-plusg 16649 df-mulr 16650 df-starv 16651 df-tset 16655 df-ple 16656 df-ds 16658 df-unif 16659 df-rest 16767 df-topn 16768 df-topgen 16788 df-psmet 20171 df-xmet 20172 df-met 20173 df-bl 20174 df-mopn 20175 df-fbas 20176 df-fg 20177 df-cnfld 20180 df-top 21607 df-topon 21624 df-topsp 21646 df-bases 21659 df-cld 21732 df-ntr 21733 df-cls 21734 df-nei 21811 df-lp 21849 df-perf 21850 df-cnp 21941 df-haus 22028 df-fil 22559 df-fm 22651 df-flim 22652 df-flf 22653 df-xms 23035 df-ms 23036 df-limc 24578 df-dv 24579 df-dvn 24580 |
This theorem is referenced by: taylfvallem 25065 taylf 25068 taylplem2 25071 taylpfval 25072 |
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