dvmptcmul - Metamath Proof Explorer

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Theorem dvmptcmul 24861

Description: Function-builder for derivative, product rule for constant multiplier. (Contributed by Mario Carneiro, 1-Sep-2014.) (Revised by Mario Carneiro, 11-Feb-2015.)

**Hypotheses**
Ref	Expression
dvmptadd.s	⊢ (𝜑 → 𝑆 ∈ {ℝ, ℂ})
dvmptadd.a	⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋) → 𝐴 ∈ ℂ)
dvmptadd.b	⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋) → 𝐵 ∈ 𝑉)
dvmptadd.da	⊢ (𝜑 → (𝑆 D (𝑥 ∈ 𝑋 ↦ 𝐴)) = (𝑥 ∈ 𝑋 ↦ 𝐵))
dvmptcmul.c	⊢ (𝜑 → 𝐶 ∈ ℂ)

**Assertion**
Ref	Expression
dvmptcmul	⊢ (𝜑 → (𝑆 D (𝑥 ∈ 𝑋 ↦ (𝐶 · 𝐴))) = (𝑥 ∈ 𝑋 ↦ (𝐶 · 𝐵)))

Distinct variable groups: 𝜑,𝑥 𝑥,𝑆 𝑥,𝑉 𝑥,𝑋 𝑥,𝐶 Allowed substitution hints: 𝐴(𝑥) 𝐵(𝑥)

**Proof of Theorem dvmptcmul**
Step	Hyp	Ref	Expression
1		dvmptadd.s	. . 3 ⊢ (𝜑 → 𝑆 ∈ {ℝ, ℂ})
2		dvmptcmul.c	. . . 4 ⊢ (𝜑 → 𝐶 ∈ ℂ)
3	2	adantr 484	. . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋) → 𝐶 ∈ ℂ)
4		0cnd 10826	. . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋) → 0 ∈ ℂ)
5	2	adantr 484	. . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑆) → 𝐶 ∈ ℂ)
6		0cnd 10826	. . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑆) → 0 ∈ ℂ)
7	1, 2	dvmptc 24855	. . . 4 ⊢ (𝜑 → (𝑆 D (𝑥 ∈ 𝑆 ↦ 𝐶)) = (𝑥 ∈ 𝑆 ↦ 0))
8		dvmptadd.da	. . . . . . 7 ⊢ (𝜑 → (𝑆 D (𝑥 ∈ 𝑋 ↦ 𝐴)) = (𝑥 ∈ 𝑋 ↦ 𝐵))
9	8	dmeqd 5774	. . . . . 6 ⊢ (𝜑 → dom (𝑆 D (𝑥 ∈ 𝑋 ↦ 𝐴)) = dom (𝑥 ∈ 𝑋 ↦ 𝐵))
10		dvmptadd.b	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋) → 𝐵 ∈ 𝑉)
11	10	ralrimiva 3105	. . . . . . 7 ⊢ (𝜑 → ∀𝑥 ∈ 𝑋 𝐵 ∈ 𝑉)
12		dmmptg 6105	. . . . . . 7 ⊢ (∀𝑥 ∈ 𝑋 𝐵 ∈ 𝑉 → dom (𝑥 ∈ 𝑋 ↦ 𝐵) = 𝑋)
13	11, 12	syl 17	. . . . . 6 ⊢ (𝜑 → dom (𝑥 ∈ 𝑋 ↦ 𝐵) = 𝑋)
14	9, 13	eqtrd 2777	. . . . 5 ⊢ (𝜑 → dom (𝑆 D (𝑥 ∈ 𝑋 ↦ 𝐴)) = 𝑋)
15		dvbsss 24799	. . . . 5 ⊢ dom (𝑆 D (𝑥 ∈ 𝑋 ↦ 𝐴)) ⊆ 𝑆
16	14, 15	eqsstrrdi 3956	. . . 4 ⊢ (𝜑 → 𝑋 ⊆ 𝑆)
17		eqid 2737	. . . 4 ⊢ ((TopOpen‘ℂ_fld) ↾_t 𝑆) = ((TopOpen‘ℂ_fld) ↾_t 𝑆)
18		eqid 2737	. . . 4 ⊢ (TopOpen‘ℂ_fld) = (TopOpen‘ℂ_fld)
19	18	cnfldtopon 23680	. . . . . . . 8 ⊢ (TopOpen‘ℂ_fld) ∈ (TopOn‘ℂ)
20		recnprss 24801	. . . . . . . . 9 ⊢ (𝑆 ∈ {ℝ, ℂ} → 𝑆 ⊆ ℂ)
21	1, 20	syl 17	. . . . . . . 8 ⊢ (𝜑 → 𝑆 ⊆ ℂ)
22		resttopon 22058	. . . . . . . 8 ⊢ (((TopOpen‘ℂ_fld) ∈ (TopOn‘ℂ) ∧ 𝑆 ⊆ ℂ) → ((TopOpen‘ℂ_fld) ↾_t 𝑆) ∈ (TopOn‘𝑆))
23	19, 21, 22	sylancr 590	. . . . . . 7 ⊢ (𝜑 → ((TopOpen‘ℂ_fld) ↾_t 𝑆) ∈ (TopOn‘𝑆))
24		topontop 21810	. . . . . . 7 ⊢ (((TopOpen‘ℂ_fld) ↾_t 𝑆) ∈ (TopOn‘𝑆) → ((TopOpen‘ℂ_fld) ↾_t 𝑆) ∈ Top)
25	23, 24	syl 17	. . . . . 6 ⊢ (𝜑 → ((TopOpen‘ℂ_fld) ↾_t 𝑆) ∈ Top)
26		toponuni 21811	. . . . . . . 8 ⊢ (((TopOpen‘ℂ_fld) ↾_t 𝑆) ∈ (TopOn‘𝑆) → 𝑆 = ∪ ((TopOpen‘ℂ_fld) ↾_t 𝑆))
27	23, 26	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝑆 = ∪ ((TopOpen‘ℂ_fld) ↾_t 𝑆))
28	16, 27	sseqtrd 3941	. . . . . 6 ⊢ (𝜑 → 𝑋 ⊆ ∪ ((TopOpen‘ℂ_fld) ↾_t 𝑆))
29		eqid 2737	. . . . . . 7 ⊢ ∪ ((TopOpen‘ℂ_fld) ↾_t 𝑆) = ∪ ((TopOpen‘ℂ_fld) ↾_t 𝑆)
30	29	ntrss2 21954	. . . . . 6 ⊢ ((((TopOpen‘ℂ_fld) ↾_t 𝑆) ∈ Top ∧ 𝑋 ⊆ ∪ ((TopOpen‘ℂ_fld) ↾_t 𝑆)) → ((int‘((TopOpen‘ℂ_fld) ↾_t 𝑆))‘𝑋) ⊆ 𝑋)
31	25, 28, 30	syl2anc 587	. . . . 5 ⊢ (𝜑 → ((int‘((TopOpen‘ℂ_fld) ↾_t 𝑆))‘𝑋) ⊆ 𝑋)
32		dvmptadd.a	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋) → 𝐴 ∈ ℂ)
33	32	fmpttd 6932	. . . . . . 7 ⊢ (𝜑 → (𝑥 ∈ 𝑋 ↦ 𝐴):𝑋⟶ℂ)
34	21, 33, 16, 17, 18	dvbssntr 24797	. . . . . 6 ⊢ (𝜑 → dom (𝑆 D (𝑥 ∈ 𝑋 ↦ 𝐴)) ⊆ ((int‘((TopOpen‘ℂ_fld) ↾_t 𝑆))‘𝑋))
35	14, 34	eqsstrrd 3940	. . . . 5 ⊢ (𝜑 → 𝑋 ⊆ ((int‘((TopOpen‘ℂ_fld) ↾_t 𝑆))‘𝑋))
36	31, 35	eqssd 3918	. . . 4 ⊢ (𝜑 → ((int‘((TopOpen‘ℂ_fld) ↾_t 𝑆))‘𝑋) = 𝑋)
37	1, 5, 6, 7, 16, 17, 18, 36	dvmptres2 24859	. . 3 ⊢ (𝜑 → (𝑆 D (𝑥 ∈ 𝑋 ↦ 𝐶)) = (𝑥 ∈ 𝑋 ↦ 0))
38	1, 3, 4, 37, 32, 10, 8	dvmptmul 24858	. 2 ⊢ (𝜑 → (𝑆 D (𝑥 ∈ 𝑋 ↦ (𝐶 · 𝐴))) = (𝑥 ∈ 𝑋 ↦ ((0 · 𝐴) + (𝐵 · 𝐶))))
39	32	mul02d 11030	. . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋) → (0 · 𝐴) = 0)
40	39	oveq1d 7228	. . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋) → ((0 · 𝐴) + (𝐵 · 𝐶)) = (0 + (𝐵 · 𝐶)))
41	1, 32, 10, 8	dvmptcl 24856	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋) → 𝐵 ∈ ℂ)
42	41, 3	mulcld 10853	. . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋) → (𝐵 · 𝐶) ∈ ℂ)
43	42	addid2d 11033	. . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋) → (0 + (𝐵 · 𝐶)) = (𝐵 · 𝐶))
44	41, 3	mulcomd 10854	. . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋) → (𝐵 · 𝐶) = (𝐶 · 𝐵))
45	40, 43, 44	3eqtrd 2781	. . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋) → ((0 · 𝐴) + (𝐵 · 𝐶)) = (𝐶 · 𝐵))
46	45	mpteq2dva 5150	. 2 ⊢ (𝜑 → (𝑥 ∈ 𝑋 ↦ ((0 · 𝐴) + (𝐵 · 𝐶))) = (𝑥 ∈ 𝑋 ↦ (𝐶 · 𝐵)))
47	38, 46	eqtrd 2777	1 ⊢ (𝜑 → (𝑆 D (𝑥 ∈ 𝑋 ↦ (𝐶 · 𝐴))) = (𝑥 ∈ 𝑋 ↦ (𝐶 · 𝐵)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 ∈ wcel 2110 ∀wral 3061 ⊆ wss 3866 {cpr 4543 ∪ cuni 4819 ↦ cmpt 5135 dom cdm 5551 ‘cfv 6380 (class class class)co 7213 ℂcc 10727 ℝcr 10728 0cc0 10729 + caddc 10732 · cmul 10734 ↾_t crest 16925 TopOpenctopn 16926 ℂ_fldccnfld 20363 Topctop 21790 TopOnctopon 21807 intcnt 21914 D cdv 24760

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 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-rep 5179 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-cnex 10785 ax-resscn 10786 ax-1cn 10787 ax-icn 10788 ax-addcl 10789 ax-addrcl 10790 ax-mulcl 10791 ax-mulrcl 10792 ax-mulcom 10793 ax-addass 10794 ax-mulass 10795 ax-distr 10796 ax-i2m1 10797 ax-1ne0 10798 ax-1rid 10799 ax-rnegex 10800 ax-rrecex 10801 ax-cnre 10802 ax-pre-lttri 10803 ax-pre-lttrn 10804 ax-pre-ltadd 10805 ax-pre-mulgt0 10806 ax-pre-sup 10807 ax-addf 10808 ax-mulf 10809

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 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rmo 3069 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-uni 4820 df-int 4860 df-iun 4906 df-iin 4907 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-se 5510 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-pred 6160 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-isom 6389 df-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-of 7469 df-om 7645 df-1st 7761 df-2nd 7762 df-supp 7904 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-1o 8202 df-2o 8203 df-er 8391 df-map 8510 df-pm 8511 df-ixp 8579 df-en 8627 df-dom 8628 df-sdom 8629 df-fin 8630 df-fsupp 8986 df-fi 9027 df-sup 9058 df-inf 9059 df-oi 9126 df-card 9555 df-pnf 10869 df-mnf 10870 df-xr 10871 df-ltxr 10872 df-le 10873 df-sub 11064 df-neg 11065 df-div 11490 df-nn 11831 df-2 11893 df-3 11894 df-4 11895 df-5 11896 df-6 11897 df-7 11898 df-8 11899 df-9 11900 df-n0 12091 df-z 12177 df-dec 12294 df-uz 12439 df-q 12545 df-rp 12587 df-xneg 12704 df-xadd 12705 df-xmul 12706 df-icc 12942 df-fz 13096 df-fzo 13239 df-seq 13575 df-exp 13636 df-hash 13897 df-cj 14662 df-re 14663 df-im 14664 df-sqrt 14798 df-abs 14799 df-struct 16700 df-sets 16717 df-slot 16735 df-ndx 16745 df-base 16761 df-ress 16785 df-plusg 16815 df-mulr 16816 df-starv 16817 df-sca 16818 df-vsca 16819 df-ip 16820 df-tset 16821 df-ple 16822 df-ds 16824 df-unif 16825 df-hom 16826 df-cco 16827 df-rest 16927 df-topn 16928 df-0g 16946 df-gsum 16947 df-topgen 16948 df-pt 16949 df-prds 16952 df-xrs 17007 df-qtop 17012 df-imas 17013 df-xps 17015 df-mre 17089 df-mrc 17090 df-acs 17092 df-mgm 18114 df-sgrp 18163 df-mnd 18174 df-submnd 18219 df-mulg 18489 df-cntz 18711 df-cmn 19172 df-psmet 20355 df-xmet 20356 df-met 20357 df-bl 20358 df-mopn 20359 df-fbas 20360 df-fg 20361 df-cnfld 20364 df-top 21791 df-topon 21808 df-topsp 21830 df-bases 21843 df-cld 21916 df-ntr 21917 df-cls 21918 df-nei 21995 df-lp 22033 df-perf 22034 df-cn 22124 df-cnp 22125 df-haus 22212 df-tx 22459 df-hmeo 22652 df-fil 22743 df-fm 22835 df-flim 22836 df-flf 22837 df-xms 23218 df-ms 23219 df-tms 23220 df-cncf 23775 df-limc 24763 df-dv 24764

This theorem is referenced by: dvmptdivc 24862 dvmptneg 24863 dvmptre 24866 dvmptim 24867 dvsincos 24878 cmvth 24888 dvlipcn 24891 dvivthlem1 24905 dvfsumle 24918 dvfsumabs 24920 dvfsumlem2 24924 dvply1 25177 dvtaylp 25262 pserdvlem2 25320 pige3ALT 25409 dvcxp1 25626 dvcxp2 25627 dvcncxp1 25629 dvatan 25818 divsqrtsumlem 25862 lgamgulmlem2 25912 logexprlim 26106 log2sumbnd 26425 itgexpif 32298 dvasin 35598 areacirclem1 35602 lcmineqlem12 39782 aks4d1p1p6 39814 lhe4.4ex1a 41620 expgrowthi 41624 expgrowth 41626 fourierdlem39 43362

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