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Mirrors > Home > MPE Home > Th. List > taylfvallem1 | Structured version Visualization version GIF version |
Description: Lemma for taylfval 25423. (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 722 | . . . . 5 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑆 ∈ {ℝ, ℂ}) |
3 | cnex 10883 | . . . . . . . 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 8591 | . . . . . . 7 ⊢ (((ℂ ∈ V ∧ 𝑆 ∈ {ℝ, ℂ}) ∧ (𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆)) → 𝐹 ∈ (ℂ ↑pm 𝑆)) | |
8 | 4, 1, 5, 6, 7 | syl22anc 835 | . . . . . 6 ⊢ (𝜑 → 𝐹 ∈ (ℂ ↑pm 𝑆)) |
9 | 8 | ad2antrr 722 | . . . . 5 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐹 ∈ (ℂ ↑pm 𝑆)) |
10 | simpr 484 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) | |
11 | 10 | elin2d 4129 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑘 ∈ ℤ) |
12 | 10 | elin1d 4128 | . . . . . . . 8 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑘 ∈ (0[,]𝑁)) |
13 | 0xr 10953 | . . . . . . . . 9 ⊢ 0 ∈ ℝ* | |
14 | taylfval.n | . . . . . . . . . . 11 ⊢ (𝜑 → (𝑁 ∈ ℕ0 ∨ 𝑁 = +∞)) | |
15 | nn0re 12172 | . . . . . . . . . . . . 13 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℝ) | |
16 | 15 | rexrd 10956 | . . . . . . . . . . . 12 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℝ*) |
17 | id 22 | . . . . . . . . . . . . 13 ⊢ (𝑁 = +∞ → 𝑁 = +∞) | |
18 | pnfxr 10960 | . . . . . . . . . . . . 13 ⊢ +∞ ∈ ℝ* | |
19 | 17, 18 | eqeltrdi 2847 | . . . . . . . . . . . 12 ⊢ (𝑁 = +∞ → 𝑁 ∈ ℝ*) |
20 | 16, 19 | jaoi 853 | . . . . . . . . . . 11 ⊢ ((𝑁 ∈ ℕ0 ∨ 𝑁 = +∞) → 𝑁 ∈ ℝ*) |
21 | 14, 20 | syl 17 | . . . . . . . . . 10 ⊢ (𝜑 → 𝑁 ∈ ℝ*) |
22 | 21 | ad2antrr 722 | . . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑁 ∈ ℝ*) |
23 | elicc1 13052 | . . . . . . . . 9 ⊢ ((0 ∈ ℝ* ∧ 𝑁 ∈ ℝ*) → (𝑘 ∈ (0[,]𝑁) ↔ (𝑘 ∈ ℝ* ∧ 0 ≤ 𝑘 ∧ 𝑘 ≤ 𝑁))) | |
24 | 13, 22, 23 | sylancr 586 | . . . . . . . 8 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (𝑘 ∈ (0[,]𝑁) ↔ (𝑘 ∈ ℝ* ∧ 0 ≤ 𝑘 ∧ 𝑘 ≤ 𝑁))) |
25 | 12, 24 | mpbid 231 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (𝑘 ∈ ℝ* ∧ 0 ≤ 𝑘 ∧ 𝑘 ≤ 𝑁)) |
26 | 25 | simp2d 1141 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 0 ≤ 𝑘) |
27 | elnn0z 12262 | . . . . . 6 ⊢ (𝑘 ∈ ℕ0 ↔ (𝑘 ∈ ℤ ∧ 0 ≤ 𝑘)) | |
28 | 11, 26, 27 | sylanbrc 582 | . . . . 5 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑘 ∈ ℕ0) |
29 | dvnf 24996 | . . . . 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 1369 | . . . 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 711 | . . . 4 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐵 ∈ dom ((𝑆 D𝑛 𝐹)‘𝑘)) |
33 | 30, 32 | ffvelrnd 6944 | . . 3 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (((𝑆 D𝑛 𝐹)‘𝑘)‘𝐵) ∈ ℂ) |
34 | 28 | faccld 13926 | . . . 4 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (!‘𝑘) ∈ ℕ) |
35 | 34 | nncnd 11919 | . . 3 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (!‘𝑘) ∈ ℂ) |
36 | 34 | nnne0d 11953 | . . 3 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (!‘𝑘) ≠ 0) |
37 | 33, 35, 36 | divcld 11681 | . 2 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → ((((𝑆 D𝑛 𝐹)‘𝑘)‘𝐵) / (!‘𝑘)) ∈ ℂ) |
38 | simplr 765 | . . . 4 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑋 ∈ ℂ) | |
39 | 5 | ad2antrr 722 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐹:𝐴⟶ℂ) |
40 | dvnbss 24997 | . . . . . . . 8 ⊢ ((𝑆 ∈ {ℝ, ℂ} ∧ 𝐹 ∈ (ℂ ↑pm 𝑆) ∧ 𝑘 ∈ ℕ0) → dom ((𝑆 D𝑛 𝐹)‘𝑘) ⊆ dom 𝐹) | |
41 | 2, 9, 28, 40 | syl3anc 1369 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → dom ((𝑆 D𝑛 𝐹)‘𝑘) ⊆ dom 𝐹) |
42 | 39, 41 | fssdmd 6603 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → dom ((𝑆 D𝑛 𝐹)‘𝑘) ⊆ 𝐴) |
43 | recnprss 24973 | . . . . . . . . 9 ⊢ (𝑆 ∈ {ℝ, ℂ} → 𝑆 ⊆ ℂ) | |
44 | 1, 43 | syl 17 | . . . . . . . 8 ⊢ (𝜑 → 𝑆 ⊆ ℂ) |
45 | 6, 44 | sstrd 3927 | . . . . . . 7 ⊢ (𝜑 → 𝐴 ⊆ ℂ) |
46 | 45 | ad2antrr 722 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐴 ⊆ ℂ) |
47 | 42, 46 | sstrd 3927 | . . . . 5 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → dom ((𝑆 D𝑛 𝐹)‘𝑘) ⊆ ℂ) |
48 | 47, 32 | sseldd 3918 | . . . 4 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐵 ∈ ℂ) |
49 | 38, 48 | subcld 11262 | . . 3 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (𝑋 − 𝐵) ∈ ℂ) |
50 | 49, 28 | expcld 13792 | . 2 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → ((𝑋 − 𝐵)↑𝑘) ∈ ℂ) |
51 | 37, 50 | mulcld 10926 | 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 205 ∧ wa 395 ∨ wo 843 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 Vcvv 3422 ∩ cin 3882 ⊆ wss 3883 {cpr 4560 class class class wbr 5070 dom cdm 5580 ⟶wf 6414 ‘cfv 6418 (class class class)co 7255 ↑pm cpm 8574 ℂcc 10800 ℝcr 10801 0cc0 10802 · cmul 10807 +∞cpnf 10937 ℝ*cxr 10939 ≤ cle 10941 − cmin 11135 / cdiv 11562 ℕ0cn0 12163 ℤcz 12249 [,]cicc 13011 ↑cexp 13710 !cfa 13915 D𝑛 cdvn 24933 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-inf2 9329 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-pre-sup 10880 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-iin 4924 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-map 8575 df-pm 8576 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-fi 9100 df-sup 9131 df-inf 9132 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 df-n0 12164 df-z 12250 df-dec 12367 df-uz 12512 df-q 12618 df-rp 12660 df-xneg 12777 df-xadd 12778 df-xmul 12779 df-icc 13015 df-fz 13169 df-seq 13650 df-exp 13711 df-fac 13916 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-struct 16776 df-slot 16811 df-ndx 16823 df-base 16841 df-plusg 16901 df-mulr 16902 df-starv 16903 df-tset 16907 df-ple 16908 df-ds 16910 df-unif 16911 df-rest 17050 df-topn 17051 df-topgen 17071 df-psmet 20502 df-xmet 20503 df-met 20504 df-bl 20505 df-mopn 20506 df-fbas 20507 df-fg 20508 df-cnfld 20511 df-top 21951 df-topon 21968 df-topsp 21990 df-bases 22004 df-cld 22078 df-ntr 22079 df-cls 22080 df-nei 22157 df-lp 22195 df-perf 22196 df-cnp 22287 df-haus 22374 df-fil 22905 df-fm 22997 df-flim 22998 df-flf 22999 df-xms 23381 df-ms 23382 df-limc 24935 df-dv 24936 df-dvn 24937 |
This theorem is referenced by: taylfvallem 25422 taylf 25425 taylplem2 25428 taylpfval 25429 |
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