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Mirrors > Home > MPE Home > Th. List > taylfvallem1 | Structured version Visualization version GIF version |
Description: Lemma for taylfval 25518. (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 723 | . . . . 5 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑆 ∈ {ℝ, ℂ}) |
3 | cnex 10952 | . . . . . . . 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 8633 | . . . . . . 7 ⊢ (((ℂ ∈ V ∧ 𝑆 ∈ {ℝ, ℂ}) ∧ (𝐹:𝐴⟶ℂ ∧ 𝐴 ⊆ 𝑆)) → 𝐹 ∈ (ℂ ↑pm 𝑆)) | |
8 | 4, 1, 5, 6, 7 | syl22anc 836 | . . . . . 6 ⊢ (𝜑 → 𝐹 ∈ (ℂ ↑pm 𝑆)) |
9 | 8 | ad2antrr 723 | . . . . 5 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐹 ∈ (ℂ ↑pm 𝑆)) |
10 | simpr 485 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) | |
11 | 10 | elin2d 4133 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑘 ∈ ℤ) |
12 | 10 | elin1d 4132 | . . . . . . . 8 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑘 ∈ (0[,]𝑁)) |
13 | 0xr 11022 | . . . . . . . . 9 ⊢ 0 ∈ ℝ* | |
14 | taylfval.n | . . . . . . . . . . 11 ⊢ (𝜑 → (𝑁 ∈ ℕ0 ∨ 𝑁 = +∞)) | |
15 | nn0re 12242 | . . . . . . . . . . . . 13 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℝ) | |
16 | 15 | rexrd 11025 | . . . . . . . . . . . 12 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℝ*) |
17 | id 22 | . . . . . . . . . . . . 13 ⊢ (𝑁 = +∞ → 𝑁 = +∞) | |
18 | pnfxr 11029 | . . . . . . . . . . . . 13 ⊢ +∞ ∈ ℝ* | |
19 | 17, 18 | eqeltrdi 2847 | . . . . . . . . . . . 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 723 | . . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑁 ∈ ℝ*) |
23 | elicc1 13123 | . . . . . . . . 9 ⊢ ((0 ∈ ℝ* ∧ 𝑁 ∈ ℝ*) → (𝑘 ∈ (0[,]𝑁) ↔ (𝑘 ∈ ℝ* ∧ 0 ≤ 𝑘 ∧ 𝑘 ≤ 𝑁))) | |
24 | 13, 22, 23 | sylancr 587 | . . . . . . . 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 1142 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 0 ≤ 𝑘) |
27 | elnn0z 12332 | . . . . . 6 ⊢ (𝑘 ∈ ℕ0 ↔ (𝑘 ∈ ℤ ∧ 0 ≤ 𝑘)) | |
28 | 11, 26, 27 | sylanbrc 583 | . . . . 5 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑘 ∈ ℕ0) |
29 | dvnf 25091 | . . . . 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 1370 | . . . 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 712 | . . . 4 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐵 ∈ dom ((𝑆 D𝑛 𝐹)‘𝑘)) |
33 | 30, 32 | ffvelrnd 6962 | . . 3 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (((𝑆 D𝑛 𝐹)‘𝑘)‘𝐵) ∈ ℂ) |
34 | 28 | faccld 13998 | . . . 4 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (!‘𝑘) ∈ ℕ) |
35 | 34 | nncnd 11989 | . . 3 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (!‘𝑘) ∈ ℂ) |
36 | 34 | nnne0d 12023 | . . 3 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (!‘𝑘) ≠ 0) |
37 | 33, 35, 36 | divcld 11751 | . 2 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → ((((𝑆 D𝑛 𝐹)‘𝑘)‘𝐵) / (!‘𝑘)) ∈ ℂ) |
38 | simplr 766 | . . . 4 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝑋 ∈ ℂ) | |
39 | 5 | ad2antrr 723 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐹:𝐴⟶ℂ) |
40 | dvnbss 25092 | . . . . . . . 8 ⊢ ((𝑆 ∈ {ℝ, ℂ} ∧ 𝐹 ∈ (ℂ ↑pm 𝑆) ∧ 𝑘 ∈ ℕ0) → dom ((𝑆 D𝑛 𝐹)‘𝑘) ⊆ dom 𝐹) | |
41 | 2, 9, 28, 40 | syl3anc 1370 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → dom ((𝑆 D𝑛 𝐹)‘𝑘) ⊆ dom 𝐹) |
42 | 39, 41 | fssdmd 6619 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → dom ((𝑆 D𝑛 𝐹)‘𝑘) ⊆ 𝐴) |
43 | recnprss 25068 | . . . . . . . . 9 ⊢ (𝑆 ∈ {ℝ, ℂ} → 𝑆 ⊆ ℂ) | |
44 | 1, 43 | syl 17 | . . . . . . . 8 ⊢ (𝜑 → 𝑆 ⊆ ℂ) |
45 | 6, 44 | sstrd 3931 | . . . . . . 7 ⊢ (𝜑 → 𝐴 ⊆ ℂ) |
46 | 45 | ad2antrr 723 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐴 ⊆ ℂ) |
47 | 42, 46 | sstrd 3931 | . . . . 5 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → dom ((𝑆 D𝑛 𝐹)‘𝑘) ⊆ ℂ) |
48 | 47, 32 | sseldd 3922 | . . . 4 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → 𝐵 ∈ ℂ) |
49 | 38, 48 | subcld 11332 | . . 3 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → (𝑋 − 𝐵) ∈ ℂ) |
50 | 49, 28 | expcld 13864 | . 2 ⊢ (((𝜑 ∧ 𝑋 ∈ ℂ) ∧ 𝑘 ∈ ((0[,]𝑁) ∩ ℤ)) → ((𝑋 − 𝐵)↑𝑘) ∈ ℂ) |
51 | 37, 50 | mulcld 10995 | 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 396 ∨ wo 844 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 Vcvv 3432 ∩ cin 3886 ⊆ wss 3887 {cpr 4563 class class class wbr 5074 dom cdm 5589 ⟶wf 6429 ‘cfv 6433 (class class class)co 7275 ↑pm cpm 8616 ℂcc 10869 ℝcr 10870 0cc0 10871 · cmul 10876 +∞cpnf 11006 ℝ*cxr 11008 ≤ cle 11010 − cmin 11205 / cdiv 11632 ℕ0cn0 12233 ℤcz 12319 [,]cicc 13082 ↑cexp 13782 !cfa 13987 D𝑛 cdvn 25028 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-inf2 9399 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-iin 4927 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-er 8498 df-map 8617 df-pm 8618 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-fi 9170 df-sup 9201 df-inf 9202 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 df-9 12043 df-n0 12234 df-z 12320 df-dec 12438 df-uz 12583 df-q 12689 df-rp 12731 df-xneg 12848 df-xadd 12849 df-xmul 12850 df-icc 13086 df-fz 13240 df-seq 13722 df-exp 13783 df-fac 13988 df-cj 14810 df-re 14811 df-im 14812 df-sqrt 14946 df-abs 14947 df-struct 16848 df-slot 16883 df-ndx 16895 df-base 16913 df-plusg 16975 df-mulr 16976 df-starv 16977 df-tset 16981 df-ple 16982 df-ds 16984 df-unif 16985 df-rest 17133 df-topn 17134 df-topgen 17154 df-psmet 20589 df-xmet 20590 df-met 20591 df-bl 20592 df-mopn 20593 df-fbas 20594 df-fg 20595 df-cnfld 20598 df-top 22043 df-topon 22060 df-topsp 22082 df-bases 22096 df-cld 22170 df-ntr 22171 df-cls 22172 df-nei 22249 df-lp 22287 df-perf 22288 df-cnp 22379 df-haus 22466 df-fil 22997 df-fm 23089 df-flim 23090 df-flf 23091 df-xms 23473 df-ms 23474 df-limc 25030 df-dv 25031 df-dvn 25032 |
This theorem is referenced by: taylfvallem 25517 taylf 25520 taylplem2 25523 taylpfval 25524 |
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