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Mirrors > Home > MPE Home > Th. List > dvcmul | Structured version Visualization version GIF version |
Description: The product rule when one argument is a constant. (Contributed by Mario Carneiro, 9-Aug-2014.) (Revised by Mario Carneiro, 10-Feb-2015.) |
Ref | Expression |
---|---|
dvcmul.s | ⊢ (𝜑 → 𝑆 ∈ {ℝ, ℂ}) |
dvcmul.f | ⊢ (𝜑 → 𝐹:𝑋⟶ℂ) |
dvcmul.a | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
dvcmul.x | ⊢ (𝜑 → 𝑋 ⊆ 𝑆) |
dvcmul.c | ⊢ (𝜑 → 𝐶 ∈ dom (𝑆 D 𝐹)) |
Ref | Expression |
---|---|
dvcmul | ⊢ (𝜑 → ((𝑆 D ((𝑆 × {𝐴}) ∘f · 𝐹))‘𝐶) = (𝐴 · ((𝑆 D 𝐹)‘𝐶))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dvcmul.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
2 | fconst6g 6627 | . . . 4 ⊢ (𝐴 ∈ ℂ → (𝑆 × {𝐴}):𝑆⟶ℂ) | |
3 | 1, 2 | syl 17 | . . 3 ⊢ (𝜑 → (𝑆 × {𝐴}):𝑆⟶ℂ) |
4 | ssidd 3939 | . . 3 ⊢ (𝜑 → 𝑆 ⊆ 𝑆) | |
5 | dvcmul.f | . . 3 ⊢ (𝜑 → 𝐹:𝑋⟶ℂ) | |
6 | dvcmul.x | . . 3 ⊢ (𝜑 → 𝑋 ⊆ 𝑆) | |
7 | dvcmul.s | . . 3 ⊢ (𝜑 → 𝑆 ∈ {ℝ, ℂ}) | |
8 | recnprss 24825 | . . . . . . . 8 ⊢ (𝑆 ∈ {ℝ, ℂ} → 𝑆 ⊆ ℂ) | |
9 | 7, 8 | syl 17 | . . . . . . 7 ⊢ (𝜑 → 𝑆 ⊆ ℂ) |
10 | 9, 5, 6 | dvbss 24822 | . . . . . 6 ⊢ (𝜑 → dom (𝑆 D 𝐹) ⊆ 𝑋) |
11 | dvcmul.c | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ dom (𝑆 D 𝐹)) | |
12 | 10, 11 | sseldd 3917 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ 𝑋) |
13 | 6, 12 | sseldd 3917 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ 𝑆) |
14 | fconst6g 6627 | . . . . . . . . 9 ⊢ (𝐴 ∈ ℂ → (ℂ × {𝐴}):ℂ⟶ℂ) | |
15 | 1, 14 | syl 17 | . . . . . . . 8 ⊢ (𝜑 → (ℂ × {𝐴}):ℂ⟶ℂ) |
16 | ssidd 3939 | . . . . . . . 8 ⊢ (𝜑 → ℂ ⊆ ℂ) | |
17 | dvconst 24838 | . . . . . . . . . . . 12 ⊢ (𝐴 ∈ ℂ → (ℂ D (ℂ × {𝐴})) = (ℂ × {0})) | |
18 | 1, 17 | syl 17 | . . . . . . . . . . 11 ⊢ (𝜑 → (ℂ D (ℂ × {𝐴})) = (ℂ × {0})) |
19 | 18 | dmeqd 5789 | . . . . . . . . . 10 ⊢ (𝜑 → dom (ℂ D (ℂ × {𝐴})) = dom (ℂ × {0})) |
20 | c0ex 10852 | . . . . . . . . . . . 12 ⊢ 0 ∈ V | |
21 | 20 | fconst 6624 | . . . . . . . . . . 11 ⊢ (ℂ × {0}):ℂ⟶{0} |
22 | 21 | fdmi 6576 | . . . . . . . . . 10 ⊢ dom (ℂ × {0}) = ℂ |
23 | 19, 22 | eqtrdi 2795 | . . . . . . . . 9 ⊢ (𝜑 → dom (ℂ D (ℂ × {𝐴})) = ℂ) |
24 | 9, 23 | sseqtrrd 3957 | . . . . . . . 8 ⊢ (𝜑 → 𝑆 ⊆ dom (ℂ D (ℂ × {𝐴}))) |
25 | dvres3 24834 | . . . . . . . 8 ⊢ (((𝑆 ∈ {ℝ, ℂ} ∧ (ℂ × {𝐴}):ℂ⟶ℂ) ∧ (ℂ ⊆ ℂ ∧ 𝑆 ⊆ dom (ℂ D (ℂ × {𝐴})))) → (𝑆 D ((ℂ × {𝐴}) ↾ 𝑆)) = ((ℂ D (ℂ × {𝐴})) ↾ 𝑆)) | |
26 | 7, 15, 16, 24, 25 | syl22anc 839 | . . . . . . 7 ⊢ (𝜑 → (𝑆 D ((ℂ × {𝐴}) ↾ 𝑆)) = ((ℂ D (ℂ × {𝐴})) ↾ 𝑆)) |
27 | xpssres 5903 | . . . . . . . . 9 ⊢ (𝑆 ⊆ ℂ → ((ℂ × {𝐴}) ↾ 𝑆) = (𝑆 × {𝐴})) | |
28 | 9, 27 | syl 17 | . . . . . . . 8 ⊢ (𝜑 → ((ℂ × {𝐴}) ↾ 𝑆) = (𝑆 × {𝐴})) |
29 | 28 | oveq2d 7248 | . . . . . . 7 ⊢ (𝜑 → (𝑆 D ((ℂ × {𝐴}) ↾ 𝑆)) = (𝑆 D (𝑆 × {𝐴}))) |
30 | 18 | reseq1d 5865 | . . . . . . . 8 ⊢ (𝜑 → ((ℂ D (ℂ × {𝐴})) ↾ 𝑆) = ((ℂ × {0}) ↾ 𝑆)) |
31 | xpssres 5903 | . . . . . . . . 9 ⊢ (𝑆 ⊆ ℂ → ((ℂ × {0}) ↾ 𝑆) = (𝑆 × {0})) | |
32 | 9, 31 | syl 17 | . . . . . . . 8 ⊢ (𝜑 → ((ℂ × {0}) ↾ 𝑆) = (𝑆 × {0})) |
33 | 30, 32 | eqtrd 2778 | . . . . . . 7 ⊢ (𝜑 → ((ℂ D (ℂ × {𝐴})) ↾ 𝑆) = (𝑆 × {0})) |
34 | 26, 29, 33 | 3eqtr3d 2786 | . . . . . 6 ⊢ (𝜑 → (𝑆 D (𝑆 × {𝐴})) = (𝑆 × {0})) |
35 | 20 | fconst2 7039 | . . . . . 6 ⊢ ((𝑆 D (𝑆 × {𝐴})):𝑆⟶{0} ↔ (𝑆 D (𝑆 × {𝐴})) = (𝑆 × {0})) |
36 | 34, 35 | sylibr 237 | . . . . 5 ⊢ (𝜑 → (𝑆 D (𝑆 × {𝐴})):𝑆⟶{0}) |
37 | 36 | fdmd 6575 | . . . 4 ⊢ (𝜑 → dom (𝑆 D (𝑆 × {𝐴})) = 𝑆) |
38 | 13, 37 | eleqtrrd 2842 | . . 3 ⊢ (𝜑 → 𝐶 ∈ dom (𝑆 D (𝑆 × {𝐴}))) |
39 | 3, 4, 5, 6, 7, 38, 11 | dvmul 24862 | . 2 ⊢ (𝜑 → ((𝑆 D ((𝑆 × {𝐴}) ∘f · 𝐹))‘𝐶) = ((((𝑆 D (𝑆 × {𝐴}))‘𝐶) · (𝐹‘𝐶)) + (((𝑆 D 𝐹)‘𝐶) · ((𝑆 × {𝐴})‘𝐶)))) |
40 | 34 | fveq1d 6738 | . . . . . 6 ⊢ (𝜑 → ((𝑆 D (𝑆 × {𝐴}))‘𝐶) = ((𝑆 × {0})‘𝐶)) |
41 | 20 | fvconst2 7038 | . . . . . . 7 ⊢ (𝐶 ∈ 𝑆 → ((𝑆 × {0})‘𝐶) = 0) |
42 | 13, 41 | syl 17 | . . . . . 6 ⊢ (𝜑 → ((𝑆 × {0})‘𝐶) = 0) |
43 | 40, 42 | eqtrd 2778 | . . . . 5 ⊢ (𝜑 → ((𝑆 D (𝑆 × {𝐴}))‘𝐶) = 0) |
44 | 43 | oveq1d 7247 | . . . 4 ⊢ (𝜑 → (((𝑆 D (𝑆 × {𝐴}))‘𝐶) · (𝐹‘𝐶)) = (0 · (𝐹‘𝐶))) |
45 | 5, 12 | ffvelrnd 6924 | . . . . 5 ⊢ (𝜑 → (𝐹‘𝐶) ∈ ℂ) |
46 | 45 | mul02d 11055 | . . . 4 ⊢ (𝜑 → (0 · (𝐹‘𝐶)) = 0) |
47 | 44, 46 | eqtrd 2778 | . . 3 ⊢ (𝜑 → (((𝑆 D (𝑆 × {𝐴}))‘𝐶) · (𝐹‘𝐶)) = 0) |
48 | fvconst2g 7036 | . . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 𝐶 ∈ 𝑆) → ((𝑆 × {𝐴})‘𝐶) = 𝐴) | |
49 | 1, 13, 48 | syl2anc 587 | . . . . 5 ⊢ (𝜑 → ((𝑆 × {𝐴})‘𝐶) = 𝐴) |
50 | 49 | oveq2d 7248 | . . . 4 ⊢ (𝜑 → (((𝑆 D 𝐹)‘𝐶) · ((𝑆 × {𝐴})‘𝐶)) = (((𝑆 D 𝐹)‘𝐶) · 𝐴)) |
51 | dvfg 24827 | . . . . . . 7 ⊢ (𝑆 ∈ {ℝ, ℂ} → (𝑆 D 𝐹):dom (𝑆 D 𝐹)⟶ℂ) | |
52 | 7, 51 | syl 17 | . . . . . 6 ⊢ (𝜑 → (𝑆 D 𝐹):dom (𝑆 D 𝐹)⟶ℂ) |
53 | 52, 11 | ffvelrnd 6924 | . . . . 5 ⊢ (𝜑 → ((𝑆 D 𝐹)‘𝐶) ∈ ℂ) |
54 | 53, 1 | mulcomd 10879 | . . . 4 ⊢ (𝜑 → (((𝑆 D 𝐹)‘𝐶) · 𝐴) = (𝐴 · ((𝑆 D 𝐹)‘𝐶))) |
55 | 50, 54 | eqtrd 2778 | . . 3 ⊢ (𝜑 → (((𝑆 D 𝐹)‘𝐶) · ((𝑆 × {𝐴})‘𝐶)) = (𝐴 · ((𝑆 D 𝐹)‘𝐶))) |
56 | 47, 55 | oveq12d 7250 | . 2 ⊢ (𝜑 → ((((𝑆 D (𝑆 × {𝐴}))‘𝐶) · (𝐹‘𝐶)) + (((𝑆 D 𝐹)‘𝐶) · ((𝑆 × {𝐴})‘𝐶))) = (0 + (𝐴 · ((𝑆 D 𝐹)‘𝐶)))) |
57 | 1, 53 | mulcld 10878 | . . 3 ⊢ (𝜑 → (𝐴 · ((𝑆 D 𝐹)‘𝐶)) ∈ ℂ) |
58 | 57 | addid2d 11058 | . 2 ⊢ (𝜑 → (0 + (𝐴 · ((𝑆 D 𝐹)‘𝐶))) = (𝐴 · ((𝑆 D 𝐹)‘𝐶))) |
59 | 39, 56, 58 | 3eqtrd 2782 | 1 ⊢ (𝜑 → ((𝑆 D ((𝑆 × {𝐴}) ∘f · 𝐹))‘𝐶) = (𝐴 · ((𝑆 D 𝐹)‘𝐶))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1543 ∈ wcel 2111 ⊆ wss 3881 {csn 4556 {cpr 4558 × cxp 5564 dom cdm 5566 ↾ cres 5568 ⟶wf 6394 ‘cfv 6398 (class class class)co 7232 ∘f cof 7486 ℂcc 10752 ℝcr 10753 0cc0 10754 + caddc 10757 · cmul 10759 D cdv 24784 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2159 ax-12 2176 ax-ext 2709 ax-rep 5194 ax-sep 5207 ax-nul 5214 ax-pow 5273 ax-pr 5337 ax-un 7542 ax-cnex 10810 ax-resscn 10811 ax-1cn 10812 ax-icn 10813 ax-addcl 10814 ax-addrcl 10815 ax-mulcl 10816 ax-mulrcl 10817 ax-mulcom 10818 ax-addass 10819 ax-mulass 10820 ax-distr 10821 ax-i2m1 10822 ax-1ne0 10823 ax-1rid 10824 ax-rnegex 10825 ax-rrecex 10826 ax-cnre 10827 ax-pre-lttri 10828 ax-pre-lttrn 10829 ax-pre-ltadd 10830 ax-pre-mulgt0 10831 ax-pre-sup 10832 ax-addf 10833 ax-mulf 10834 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2072 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3067 df-rex 3068 df-reu 3069 df-rmo 3070 df-rab 3071 df-v 3423 df-sbc 3710 df-csb 3827 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4253 df-if 4455 df-pw 4530 df-sn 4557 df-pr 4559 df-tp 4561 df-op 4563 df-uni 4835 df-int 4875 df-iun 4921 df-iin 4922 df-br 5069 df-opab 5131 df-mpt 5151 df-tr 5177 df-id 5470 df-eprel 5475 df-po 5483 df-so 5484 df-fr 5524 df-se 5525 df-we 5526 df-xp 5572 df-rel 5573 df-cnv 5574 df-co 5575 df-dm 5576 df-rn 5577 df-res 5578 df-ima 5579 df-pred 6176 df-ord 6234 df-on 6235 df-lim 6236 df-suc 6237 df-iota 6356 df-fun 6400 df-fn 6401 df-f 6402 df-f1 6403 df-fo 6404 df-f1o 6405 df-fv 6406 df-isom 6407 df-riota 7189 df-ov 7235 df-oprab 7236 df-mpo 7237 df-of 7488 df-om 7664 df-1st 7780 df-2nd 7781 df-supp 7925 df-wrecs 8068 df-recs 8129 df-rdg 8167 df-1o 8223 df-2o 8224 df-er 8412 df-map 8531 df-pm 8532 df-ixp 8600 df-en 8648 df-dom 8649 df-sdom 8650 df-fin 8651 df-fsupp 9011 df-fi 9052 df-sup 9083 df-inf 9084 df-oi 9151 df-card 9580 df-pnf 10894 df-mnf 10895 df-xr 10896 df-ltxr 10897 df-le 10898 df-sub 11089 df-neg 11090 df-div 11515 df-nn 11856 df-2 11918 df-3 11919 df-4 11920 df-5 11921 df-6 11922 df-7 11923 df-8 11924 df-9 11925 df-n0 12116 df-z 12202 df-dec 12319 df-uz 12464 df-q 12570 df-rp 12612 df-xneg 12729 df-xadd 12730 df-xmul 12731 df-icc 12967 df-fz 13121 df-fzo 13264 df-seq 13600 df-exp 13661 df-hash 13922 df-cj 14687 df-re 14688 df-im 14689 df-sqrt 14823 df-abs 14824 df-struct 16725 df-sets 16742 df-slot 16760 df-ndx 16770 df-base 16786 df-ress 16810 df-plusg 16840 df-mulr 16841 df-starv 16842 df-sca 16843 df-vsca 16844 df-ip 16845 df-tset 16846 df-ple 16847 df-ds 16849 df-unif 16850 df-hom 16851 df-cco 16852 df-rest 16952 df-topn 16953 df-0g 16971 df-gsum 16972 df-topgen 16973 df-pt 16974 df-prds 16977 df-xrs 17032 df-qtop 17037 df-imas 17038 df-xps 17040 df-mre 17114 df-mrc 17115 df-acs 17117 df-mgm 18139 df-sgrp 18188 df-mnd 18199 df-submnd 18244 df-mulg 18514 df-cntz 18736 df-cmn 19197 df-psmet 20380 df-xmet 20381 df-met 20382 df-bl 20383 df-mopn 20384 df-fbas 20385 df-fg 20386 df-cnfld 20389 df-top 21815 df-topon 21832 df-topsp 21854 df-bases 21867 df-cld 21940 df-ntr 21941 df-cls 21942 df-nei 22019 df-lp 22057 df-perf 22058 df-cn 22148 df-cnp 22149 df-haus 22236 df-tx 22483 df-hmeo 22676 df-fil 22767 df-fm 22859 df-flim 22860 df-flf 22861 df-xms 23242 df-ms 23243 df-tms 23244 df-cncf 23799 df-limc 24787 df-dv 24788 |
This theorem is referenced by: (None) |
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