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Theorem cvsmuleqdivd 24632

Description: An equality involving ratios in a subcomplex vector space. (Contributed by Thierry Arnoux, 22-May-2019.)

**Hypotheses**
Ref	Expression
cvsdiveqd.v	⊢ 𝑉 = (Base‘𝑊)
cvsdiveqd.t	⊢ · = ( ·_𝑠 ‘𝑊)
cvsdiveqd.f	⊢ 𝐹 = (Scalar‘𝑊)
cvsdiveqd.k	⊢ 𝐾 = (Base‘𝐹)
cvsdiveqd.w	⊢ (𝜑 → 𝑊 ∈ ℂVec)
cvsdiveqd.a	⊢ (𝜑 → 𝐴 ∈ 𝐾)
cvsdiveqd.b	⊢ (𝜑 → 𝐵 ∈ 𝐾)
cvsdiveqd.x	⊢ (𝜑 → 𝑋 ∈ 𝑉)
cvsdiveqd.y	⊢ (𝜑 → 𝑌 ∈ 𝑉)
cvsdiveqd.1	⊢ (𝜑 → 𝐴 ≠ 0)
cvsmuleqdivd.1	⊢ (𝜑 → (𝐴 · 𝑋) = (𝐵 · 𝑌))

**Assertion**
Ref	Expression
cvsmuleqdivd	⊢ (𝜑 → 𝑋 = ((𝐵 / 𝐴) · 𝑌))

**Proof of Theorem cvsmuleqdivd**
Step	Hyp	Ref	Expression
1		cvsmuleqdivd.1	. . 3 ⊢ (𝜑 → (𝐴 · 𝑋) = (𝐵 · 𝑌))
2	1	oveq2d 7420	. 2 ⊢ (𝜑 → ((1 / 𝐴) · (𝐴 · 𝑋)) = ((1 / 𝐴) · (𝐵 · 𝑌)))
3		cvsdiveqd.w	. . . . . . . 8 ⊢ (𝜑 → 𝑊 ∈ ℂVec)
4	3	cvsclm 24624	. . . . . . 7 ⊢ (𝜑 → 𝑊 ∈ ℂMod)
5		cvsdiveqd.f	. . . . . . . 8 ⊢ 𝐹 = (Scalar‘𝑊)
6		cvsdiveqd.k	. . . . . . . 8 ⊢ 𝐾 = (Base‘𝐹)
7	5, 6	clmsscn 24577	. . . . . . 7 ⊢ (𝑊 ∈ ℂMod → 𝐾 ⊆ ℂ)
8	4, 7	syl 17	. . . . . 6 ⊢ (𝜑 → 𝐾 ⊆ ℂ)
9		cvsdiveqd.a	. . . . . 6 ⊢ (𝜑 → 𝐴 ∈ 𝐾)
10	8, 9	sseldd 3982	. . . . 5 ⊢ (𝜑 → 𝐴 ∈ ℂ)
11		cvsdiveqd.1	. . . . 5 ⊢ (𝜑 → 𝐴 ≠ 0)
12	10, 11	recid2d 11982	. . . 4 ⊢ (𝜑 → ((1 / 𝐴) · 𝐴) = 1)
13	12	oveq1d 7419	. . 3 ⊢ (𝜑 → (((1 / 𝐴) · 𝐴) · 𝑋) = (1 · 𝑋))
14	5	clm1 24571	. . . . . . 7 ⊢ (𝑊 ∈ ℂMod → 1 = (1_r‘𝐹))
15	4, 14	syl 17	. . . . . 6 ⊢ (𝜑 → 1 = (1_r‘𝐹))
16	5	clmring 24568	. . . . . . 7 ⊢ (𝑊 ∈ ℂMod → 𝐹 ∈ Ring)
17		eqid 2733	. . . . . . . 8 ⊢ (1_r‘𝐹) = (1_r‘𝐹)
18	6, 17	ringidcl 20073	. . . . . . 7 ⊢ (𝐹 ∈ Ring → (1_r‘𝐹) ∈ 𝐾)
19	4, 16, 18	3syl 18	. . . . . 6 ⊢ (𝜑 → (1_r‘𝐹) ∈ 𝐾)
20	15, 19	eqeltrd 2834	. . . . 5 ⊢ (𝜑 → 1 ∈ 𝐾)
21	5, 6	cvsdivcl 24631	. . . . 5 ⊢ ((𝑊 ∈ ℂVec ∧ (1 ∈ 𝐾 ∧ 𝐴 ∈ 𝐾 ∧ 𝐴 ≠ 0)) → (1 / 𝐴) ∈ 𝐾)
22	3, 20, 9, 11, 21	syl13anc 1373	. . . 4 ⊢ (𝜑 → (1 / 𝐴) ∈ 𝐾)
23		cvsdiveqd.x	. . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝑉)
24		cvsdiveqd.v	. . . . 5 ⊢ 𝑉 = (Base‘𝑊)
25		cvsdiveqd.t	. . . . 5 ⊢ · = ( ·_𝑠 ‘𝑊)
26	24, 5, 25, 6	clmvsass 24587	. . . 4 ⊢ ((𝑊 ∈ ℂMod ∧ ((1 / 𝐴) ∈ 𝐾 ∧ 𝐴 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉)) → (((1 / 𝐴) · 𝐴) · 𝑋) = ((1 / 𝐴) · (𝐴 · 𝑋)))
27	4, 22, 9, 23, 26	syl13anc 1373	. . 3 ⊢ (𝜑 → (((1 / 𝐴) · 𝐴) · 𝑋) = ((1 / 𝐴) · (𝐴 · 𝑋)))
28	24, 25	clmvs1 24591	. . . 4 ⊢ ((𝑊 ∈ ℂMod ∧ 𝑋 ∈ 𝑉) → (1 · 𝑋) = 𝑋)
29	4, 23, 28	syl2anc 585	. . 3 ⊢ (𝜑 → (1 · 𝑋) = 𝑋)
30	13, 27, 29	3eqtr3d 2781	. 2 ⊢ (𝜑 → ((1 / 𝐴) · (𝐴 · 𝑋)) = 𝑋)
31		cvsdiveqd.b	. . . . . 6 ⊢ (𝜑 → 𝐵 ∈ 𝐾)
32	8, 31	sseldd 3982	. . . . 5 ⊢ (𝜑 → 𝐵 ∈ ℂ)
33	32, 10, 11	divrec2d 11990	. . . 4 ⊢ (𝜑 → (𝐵 / 𝐴) = ((1 / 𝐴) · 𝐵))
34	33	oveq1d 7419	. . 3 ⊢ (𝜑 → ((𝐵 / 𝐴) · 𝑌) = (((1 / 𝐴) · 𝐵) · 𝑌))
35		cvsdiveqd.y	. . . 4 ⊢ (𝜑 → 𝑌 ∈ 𝑉)
36	24, 5, 25, 6	clmvsass 24587	. . . 4 ⊢ ((𝑊 ∈ ℂMod ∧ ((1 / 𝐴) ∈ 𝐾 ∧ 𝐵 ∈ 𝐾 ∧ 𝑌 ∈ 𝑉)) → (((1 / 𝐴) · 𝐵) · 𝑌) = ((1 / 𝐴) · (𝐵 · 𝑌)))
37	4, 22, 31, 35, 36	syl13anc 1373	. . 3 ⊢ (𝜑 → (((1 / 𝐴) · 𝐵) · 𝑌) = ((1 / 𝐴) · (𝐵 · 𝑌)))
38	34, 37	eqtr2d 2774	. 2 ⊢ (𝜑 → ((1 / 𝐴) · (𝐵 · 𝑌)) = ((𝐵 / 𝐴) · 𝑌))
39	2, 30, 38	3eqtr3d 2781	1 ⊢ (𝜑 → 𝑋 = ((𝐵 / 𝐴) · 𝑌))

Colors of variables: wff setvar class

Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2107 ≠ wne 2941 ⊆ wss 3947 ‘cfv 6540 (class class class)co 7404 ℂcc 11104 0cc0 11106 1c1 11107 · cmul 11111 / cdiv 11867 Basecbs 17140 Scalarcsca 17196 ·_𝑠 cvsca 17197 1_rcur 19996 Ringcrg 20047 ℂModcclm 24560 ℂVecccvs 24621

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 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 ax-rep 5284 ax-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 ax-un 7720 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183 ax-addf 11185 ax-mulf 11186

This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2886 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3377 df-reu 3378 df-rab 3434 df-v 3477 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4322 df-if 4528 df-pw 4603 df-sn 4628 df-pr 4630 df-tp 4632 df-op 4634 df-uni 4908 df-iun 4998 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5573 df-eprel 5579 df-po 5587 df-so 5588 df-fr 5630 df-we 5632 df-xp 5681 df-rel 5682 df-cnv 5683 df-co 5684 df-dm 5685 df-rn 5686 df-res 5687 df-ima 5688 df-pred 6297 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6492 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7360 df-ov 7407 df-oprab 7408 df-mpo 7409 df-om 7851 df-1st 7970 df-2nd 7971 df-tpos 8206 df-frecs 8261 df-wrecs 8292 df-recs 8366 df-rdg 8405 df-1o 8461 df-er 8699 df-en 8936 df-dom 8937 df-sdom 8938 df-fin 8939 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11442 df-neg 11443 df-div 11868 df-nn 12209 df-2 12271 df-3 12272 df-4 12273 df-5 12274 df-6 12275 df-7 12276 df-8 12277 df-9 12278 df-n0 12469 df-z 12555 df-dec 12674 df-uz 12819 df-fz 13481 df-struct 17076 df-sets 17093 df-slot 17111 df-ndx 17123 df-base 17141 df-ress 17170 df-plusg 17206 df-mulr 17207 df-starv 17208 df-tset 17212 df-ple 17213 df-ds 17215 df-unif 17216 df-0g 17383 df-mgm 18557 df-sgrp 18606 df-mnd 18622 df-grp 18818 df-minusg 18819 df-subg 18997 df-cmn 19643 df-mgp 19980 df-ur 19997 df-ring 20049 df-cring 20050 df-oppr 20139 df-dvdsr 20160 df-unit 20161 df-invr 20191 df-dvr 20204 df-drng 20306 df-subrg 20349 df-lmod 20461 df-lvec 20702 df-cnfld 20930 df-clm 24561 df-cvs 24622

This theorem is referenced by: ttgcontlem1 28122

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