ip2di - Metamath Proof Explorer

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Theorem ip2di 21523

Description: Distributive law for inner product. (Contributed by NM, 17-Apr-2008.) (Revised by Mario Carneiro, 7-Oct-2015.)

**Hypotheses**
Ref	Expression
phlsrng.f	⊢ 𝐹 = (Scalar‘𝑊)
phllmhm.h	⊢ , = (·_𝑖‘𝑊)
phllmhm.v	⊢ 𝑉 = (Base‘𝑊)
ipdir.g	⊢ + = (+_g‘𝑊)
ipdir.p	⊢ ⨣ = (+_g‘𝐹)
ip2di.1	⊢ (𝜑 → 𝑊 ∈ PreHil)
ip2di.2	⊢ (𝜑 → 𝐴 ∈ 𝑉)
ip2di.3	⊢ (𝜑 → 𝐵 ∈ 𝑉)
ip2di.4	⊢ (𝜑 → 𝐶 ∈ 𝑉)
ip2di.5	⊢ (𝜑 → 𝐷 ∈ 𝑉)

**Assertion**
Ref	Expression
ip2di	⊢ (𝜑 → ((𝐴 + 𝐵) , (𝐶 + 𝐷)) = (((𝐴 , 𝐶) ⨣ (𝐵 , 𝐷)) ⨣ ((𝐴 , 𝐷) ⨣ (𝐵 , 𝐶))))

**Proof of Theorem ip2di**
Step	Hyp	Ref	Expression
1		ip2di.1	. . 3 ⊢ (𝜑 → 𝑊 ∈ PreHil)
2		ip2di.2	. . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑉)
3		ip2di.3	. . 3 ⊢ (𝜑 → 𝐵 ∈ 𝑉)
4		phllmod 21512	. . . . 5 ⊢ (𝑊 ∈ PreHil → 𝑊 ∈ LMod)
5	1, 4	syl 17	. . . 4 ⊢ (𝜑 → 𝑊 ∈ LMod)
6		ip2di.4	. . . 4 ⊢ (𝜑 → 𝐶 ∈ 𝑉)
7		ip2di.5	. . . 4 ⊢ (𝜑 → 𝐷 ∈ 𝑉)
8		phllmhm.v	. . . . 5 ⊢ 𝑉 = (Base‘𝑊)
9		ipdir.g	. . . . 5 ⊢ + = (+_g‘𝑊)
10	8, 9	lmodvacl 20717	. . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝐶 ∈ 𝑉 ∧ 𝐷 ∈ 𝑉) → (𝐶 + 𝐷) ∈ 𝑉)
11	5, 6, 7, 10	syl3anc 1368	. . 3 ⊢ (𝜑 → (𝐶 + 𝐷) ∈ 𝑉)
12		phlsrng.f	. . . 4 ⊢ 𝐹 = (Scalar‘𝑊)
13		phllmhm.h	. . . 4 ⊢ , = (·_𝑖‘𝑊)
14		ipdir.p	. . . 4 ⊢ ⨣ = (+_g‘𝐹)
15	12, 13, 8, 9, 14	ipdir 21521	. . 3 ⊢ ((𝑊 ∈ PreHil ∧ (𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉 ∧ (𝐶 + 𝐷) ∈ 𝑉)) → ((𝐴 + 𝐵) , (𝐶 + 𝐷)) = ((𝐴 , (𝐶 + 𝐷)) ⨣ (𝐵 , (𝐶 + 𝐷))))
16	1, 2, 3, 11, 15	syl13anc 1369	. 2 ⊢ (𝜑 → ((𝐴 + 𝐵) , (𝐶 + 𝐷)) = ((𝐴 , (𝐶 + 𝐷)) ⨣ (𝐵 , (𝐶 + 𝐷))))
17	12, 13, 8, 9, 14	ipdi 21522	. . . 4 ⊢ ((𝑊 ∈ PreHil ∧ (𝐴 ∈ 𝑉 ∧ 𝐶 ∈ 𝑉 ∧ 𝐷 ∈ 𝑉)) → (𝐴 , (𝐶 + 𝐷)) = ((𝐴 , 𝐶) ⨣ (𝐴 , 𝐷)))
18	1, 2, 6, 7, 17	syl13anc 1369	. . 3 ⊢ (𝜑 → (𝐴 , (𝐶 + 𝐷)) = ((𝐴 , 𝐶) ⨣ (𝐴 , 𝐷)))
19	12, 13, 8, 9, 14	ipdi 21522	. . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ (𝐵 ∈ 𝑉 ∧ 𝐶 ∈ 𝑉 ∧ 𝐷 ∈ 𝑉)) → (𝐵 , (𝐶 + 𝐷)) = ((𝐵 , 𝐶) ⨣ (𝐵 , 𝐷)))
20	1, 3, 6, 7, 19	syl13anc 1369	. . . 4 ⊢ (𝜑 → (𝐵 , (𝐶 + 𝐷)) = ((𝐵 , 𝐶) ⨣ (𝐵 , 𝐷)))
21	12	phlsrng 21513	. . . . . 6 ⊢ (𝑊 ∈ PreHil → 𝐹 ∈ *-Ring)
22		srngring 20691	. . . . . 6 ⊢ (𝐹 ∈ *-Ring → 𝐹 ∈ Ring)
23		ringcmn 20177	. . . . . 6 ⊢ (𝐹 ∈ Ring → 𝐹 ∈ CMnd)
24	1, 21, 22, 23	4syl 19	. . . . 5 ⊢ (𝜑 → 𝐹 ∈ CMnd)
25		eqid 2724	. . . . . . 7 ⊢ (Base‘𝐹) = (Base‘𝐹)
26	12, 13, 8, 25	ipcl 21515	. . . . . 6 ⊢ ((𝑊 ∈ PreHil ∧ 𝐵 ∈ 𝑉 ∧ 𝐶 ∈ 𝑉) → (𝐵 , 𝐶) ∈ (Base‘𝐹))
27	1, 3, 6, 26	syl3anc 1368	. . . . 5 ⊢ (𝜑 → (𝐵 , 𝐶) ∈ (Base‘𝐹))
28	12, 13, 8, 25	ipcl 21515	. . . . . 6 ⊢ ((𝑊 ∈ PreHil ∧ 𝐵 ∈ 𝑉 ∧ 𝐷 ∈ 𝑉) → (𝐵 , 𝐷) ∈ (Base‘𝐹))
29	1, 3, 7, 28	syl3anc 1368	. . . . 5 ⊢ (𝜑 → (𝐵 , 𝐷) ∈ (Base‘𝐹))
30	25, 14	cmncom 19714	. . . . 5 ⊢ ((𝐹 ∈ CMnd ∧ (𝐵 , 𝐶) ∈ (Base‘𝐹) ∧ (𝐵 , 𝐷) ∈ (Base‘𝐹)) → ((𝐵 , 𝐶) ⨣ (𝐵 , 𝐷)) = ((𝐵 , 𝐷) ⨣ (𝐵 , 𝐶)))
31	24, 27, 29, 30	syl3anc 1368	. . . 4 ⊢ (𝜑 → ((𝐵 , 𝐶) ⨣ (𝐵 , 𝐷)) = ((𝐵 , 𝐷) ⨣ (𝐵 , 𝐶)))
32	20, 31	eqtrd 2764	. . 3 ⊢ (𝜑 → (𝐵 , (𝐶 + 𝐷)) = ((𝐵 , 𝐷) ⨣ (𝐵 , 𝐶)))
33	18, 32	oveq12d 7420	. 2 ⊢ (𝜑 → ((𝐴 , (𝐶 + 𝐷)) ⨣ (𝐵 , (𝐶 + 𝐷))) = (((𝐴 , 𝐶) ⨣ (𝐴 , 𝐷)) ⨣ ((𝐵 , 𝐷) ⨣ (𝐵 , 𝐶))))
34	12, 13, 8, 25	ipcl 21515	. . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐶 ∈ 𝑉) → (𝐴 , 𝐶) ∈ (Base‘𝐹))
35	1, 2, 6, 34	syl3anc 1368	. . 3 ⊢ (𝜑 → (𝐴 , 𝐶) ∈ (Base‘𝐹))
36	12, 13, 8, 25	ipcl 21515	. . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐷 ∈ 𝑉) → (𝐴 , 𝐷) ∈ (Base‘𝐹))
37	1, 2, 7, 36	syl3anc 1368	. . 3 ⊢ (𝜑 → (𝐴 , 𝐷) ∈ (Base‘𝐹))
38	25, 14	cmn4 19717	. . 3 ⊢ ((𝐹 ∈ CMnd ∧ ((𝐴 , 𝐶) ∈ (Base‘𝐹) ∧ (𝐴 , 𝐷) ∈ (Base‘𝐹)) ∧ ((𝐵 , 𝐷) ∈ (Base‘𝐹) ∧ (𝐵 , 𝐶) ∈ (Base‘𝐹))) → (((𝐴 , 𝐶) ⨣ (𝐴 , 𝐷)) ⨣ ((𝐵 , 𝐷) ⨣ (𝐵 , 𝐶))) = (((𝐴 , 𝐶) ⨣ (𝐵 , 𝐷)) ⨣ ((𝐴 , 𝐷) ⨣ (𝐵 , 𝐶))))
39	24, 35, 37, 29, 27, 38	syl122anc 1376	. 2 ⊢ (𝜑 → (((𝐴 , 𝐶) ⨣ (𝐴 , 𝐷)) ⨣ ((𝐵 , 𝐷) ⨣ (𝐵 , 𝐶))) = (((𝐴 , 𝐶) ⨣ (𝐵 , 𝐷)) ⨣ ((𝐴 , 𝐷) ⨣ (𝐵 , 𝐶))))
40	16, 33, 39	3eqtrd 2768	1 ⊢ (𝜑 → ((𝐴 + 𝐵) , (𝐶 + 𝐷)) = (((𝐴 , 𝐶) ⨣ (𝐵 , 𝐷)) ⨣ ((𝐴 , 𝐷) ⨣ (𝐵 , 𝐶))))

Colors of variables: wff setvar class

Syntax hints: → wi 4 = wceq 1533 ∈ wcel 2098 ‘cfv 6534 (class class class)co 7402 Basecbs 17149 +_gcplusg 17202 Scalarcsca 17205 ·_𝑖cip 17207 CMndccmn 19696 Ringcrg 20134 *-Ringcsr 20683 LModclmod 20702 PreHilcphl 21506

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2695 ax-rep 5276 ax-sep 5290 ax-nul 5297 ax-pow 5354 ax-pr 5418 ax-un 7719 ax-cnex 11163 ax-resscn 11164 ax-1cn 11165 ax-icn 11166 ax-addcl 11167 ax-addrcl 11168 ax-mulcl 11169 ax-mulrcl 11170 ax-mulcom 11171 ax-addass 11172 ax-mulass 11173 ax-distr 11174 ax-i2m1 11175 ax-1ne0 11176 ax-1rid 11177 ax-rnegex 11178 ax-rrecex 11179 ax-cnre 11180 ax-pre-lttri 11181 ax-pre-lttrn 11182 ax-pre-ltadd 11183 ax-pre-mulgt0 11184

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2526 df-eu 2555 df-clab 2702 df-cleq 2716 df-clel 2802 df-nfc 2877 df-ne 2933 df-nel 3039 df-ral 3054 df-rex 3063 df-rmo 3368 df-reu 3369 df-rab 3425 df-v 3468 df-sbc 3771 df-csb 3887 df-dif 3944 df-un 3946 df-in 3948 df-ss 3958 df-pss 3960 df-nul 4316 df-if 4522 df-pw 4597 df-sn 4622 df-pr 4624 df-op 4628 df-uni 4901 df-iun 4990 df-br 5140 df-opab 5202 df-mpt 5223 df-tr 5257 df-id 5565 df-eprel 5571 df-po 5579 df-so 5580 df-fr 5622 df-we 5624 df-xp 5673 df-rel 5674 df-cnv 5675 df-co 5676 df-dm 5677 df-rn 5678 df-res 5679 df-ima 5680 df-pred 6291 df-ord 6358 df-on 6359 df-lim 6360 df-suc 6361 df-iota 6486 df-fun 6536 df-fn 6537 df-f 6538 df-f1 6539 df-fo 6540 df-f1o 6541 df-fv 6542 df-riota 7358 df-ov 7405 df-oprab 7406 df-mpo 7407 df-om 7850 df-2nd 7970 df-tpos 8207 df-frecs 8262 df-wrecs 8293 df-recs 8367 df-rdg 8406 df-er 8700 df-map 8819 df-en 8937 df-dom 8938 df-sdom 8939 df-pnf 11249 df-mnf 11250 df-xr 11251 df-ltxr 11252 df-le 11253 df-sub 11445 df-neg 11446 df-nn 12212 df-2 12274 df-3 12275 df-4 12276 df-5 12277 df-6 12278 df-7 12279 df-8 12280 df-sets 17102 df-slot 17120 df-ndx 17132 df-base 17150 df-plusg 17215 df-mulr 17216 df-sca 17218 df-vsca 17219 df-ip 17220 df-0g 17392 df-mgm 18569 df-sgrp 18648 df-mnd 18664 df-mhm 18709 df-grp 18862 df-minusg 18863 df-ghm 19135 df-cmn 19698 df-abl 19699 df-mgp 20036 df-ur 20083 df-ring 20136 df-oppr 20232 df-rhm 20370 df-staf 20684 df-srng 20685 df-lmod 20704 df-lmhm 20866 df-lvec 20947 df-sra 21017 df-rgmod 21018 df-phl 21508

This theorem is referenced by: cph2di 25079

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