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Theorem cph2subdi 25156

Description: Distributive law for inner product subtraction. Complex version of ip2subdi 21580. (Contributed by Mario Carneiro, 16-Oct-2015.)

**Hypotheses**
Ref	Expression
cphipcj.h	⊢ , = (·_𝑖‘𝑊)
cphipcj.v	⊢ 𝑉 = (Base‘𝑊)
cphsubdir.m	⊢ − = (-_g‘𝑊)
cph2subdi.1	⊢ (𝜑 → 𝑊 ∈ ℂPreHil)
cph2subdi.2	⊢ (𝜑 → 𝐴 ∈ 𝑉)
cph2subdi.3	⊢ (𝜑 → 𝐵 ∈ 𝑉)
cph2subdi.4	⊢ (𝜑 → 𝐶 ∈ 𝑉)
cph2subdi.5	⊢ (𝜑 → 𝐷 ∈ 𝑉)

**Assertion**
Ref	Expression
cph2subdi	⊢ (𝜑 → ((𝐴 − 𝐵) , (𝐶 − 𝐷)) = (((𝐴 , 𝐶) + (𝐵 , 𝐷)) − ((𝐴 , 𝐷) + (𝐵 , 𝐶))))

**Proof of Theorem cph2subdi**
Step	Hyp	Ref	Expression
1		cph2subdi.1	. . . . . 6 ⊢ (𝜑 → 𝑊 ∈ ℂPreHil)
2		cphclm 25135	. . . . . 6 ⊢ (𝑊 ∈ ℂPreHil → 𝑊 ∈ ℂMod)
3	1, 2	syl 17	. . . . 5 ⊢ (𝜑 → 𝑊 ∈ ℂMod)
4		eqid 2725	. . . . . 6 ⊢ (Scalar‘𝑊) = (Scalar‘𝑊)
5	4	clmadd 25019	. . . . 5 ⊢ (𝑊 ∈ ℂMod → + = (+_g‘(Scalar‘𝑊)))
6	3, 5	syl 17	. . . 4 ⊢ (𝜑 → + = (+_g‘(Scalar‘𝑊)))
7	6	oveqd 7433	. . 3 ⊢ (𝜑 → ((𝐴 , 𝐶) + (𝐵 , 𝐷)) = ((𝐴 , 𝐶)(+_g‘(Scalar‘𝑊))(𝐵 , 𝐷)))
8	6	oveqd 7433	. . 3 ⊢ (𝜑 → ((𝐴 , 𝐷) + (𝐵 , 𝐶)) = ((𝐴 , 𝐷)(+_g‘(Scalar‘𝑊))(𝐵 , 𝐶)))
9	7, 8	oveq12d 7434	. 2 ⊢ (𝜑 → (((𝐴 , 𝐶) + (𝐵 , 𝐷))(-_g‘(Scalar‘𝑊))((𝐴 , 𝐷) + (𝐵 , 𝐶))) = (((𝐴 , 𝐶)(+_g‘(Scalar‘𝑊))(𝐵 , 𝐷))(-_g‘(Scalar‘𝑊))((𝐴 , 𝐷)(+_g‘(Scalar‘𝑊))(𝐵 , 𝐶))))
10		cphphl 25117	. . . . . 6 ⊢ (𝑊 ∈ ℂPreHil → 𝑊 ∈ PreHil)
11	1, 10	syl 17	. . . . 5 ⊢ (𝜑 → 𝑊 ∈ PreHil)
12		cph2subdi.2	. . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑉)
13		cph2subdi.4	. . . . 5 ⊢ (𝜑 → 𝐶 ∈ 𝑉)
14		cphipcj.h	. . . . . 6 ⊢ , = (·_𝑖‘𝑊)
15		cphipcj.v	. . . . . 6 ⊢ 𝑉 = (Base‘𝑊)
16		eqid 2725	. . . . . 6 ⊢ (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊))
17	4, 14, 15, 16	ipcl 21569	. . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐶 ∈ 𝑉) → (𝐴 , 𝐶) ∈ (Base‘(Scalar‘𝑊)))
18	11, 12, 13, 17	syl3anc 1368	. . . 4 ⊢ (𝜑 → (𝐴 , 𝐶) ∈ (Base‘(Scalar‘𝑊)))
19		cph2subdi.3	. . . . 5 ⊢ (𝜑 → 𝐵 ∈ 𝑉)
20		cph2subdi.5	. . . . 5 ⊢ (𝜑 → 𝐷 ∈ 𝑉)
21	4, 14, 15, 16	ipcl 21569	. . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝐵 ∈ 𝑉 ∧ 𝐷 ∈ 𝑉) → (𝐵 , 𝐷) ∈ (Base‘(Scalar‘𝑊)))
22	11, 19, 20, 21	syl3anc 1368	. . . 4 ⊢ (𝜑 → (𝐵 , 𝐷) ∈ (Base‘(Scalar‘𝑊)))
23	4, 16	clmacl 25029	. . . 4 ⊢ ((𝑊 ∈ ℂMod ∧ (𝐴 , 𝐶) ∈ (Base‘(Scalar‘𝑊)) ∧ (𝐵 , 𝐷) ∈ (Base‘(Scalar‘𝑊))) → ((𝐴 , 𝐶) + (𝐵 , 𝐷)) ∈ (Base‘(Scalar‘𝑊)))
24	3, 18, 22, 23	syl3anc 1368	. . 3 ⊢ (𝜑 → ((𝐴 , 𝐶) + (𝐵 , 𝐷)) ∈ (Base‘(Scalar‘𝑊)))
25	4, 14, 15, 16	ipcl 21569	. . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐷 ∈ 𝑉) → (𝐴 , 𝐷) ∈ (Base‘(Scalar‘𝑊)))
26	11, 12, 20, 25	syl3anc 1368	. . . 4 ⊢ (𝜑 → (𝐴 , 𝐷) ∈ (Base‘(Scalar‘𝑊)))
27	4, 14, 15, 16	ipcl 21569	. . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝐵 ∈ 𝑉 ∧ 𝐶 ∈ 𝑉) → (𝐵 , 𝐶) ∈ (Base‘(Scalar‘𝑊)))
28	11, 19, 13, 27	syl3anc 1368	. . . 4 ⊢ (𝜑 → (𝐵 , 𝐶) ∈ (Base‘(Scalar‘𝑊)))
29	4, 16	clmacl 25029	. . . 4 ⊢ ((𝑊 ∈ ℂMod ∧ (𝐴 , 𝐷) ∈ (Base‘(Scalar‘𝑊)) ∧ (𝐵 , 𝐶) ∈ (Base‘(Scalar‘𝑊))) → ((𝐴 , 𝐷) + (𝐵 , 𝐶)) ∈ (Base‘(Scalar‘𝑊)))
30	3, 26, 28, 29	syl3anc 1368	. . 3 ⊢ (𝜑 → ((𝐴 , 𝐷) + (𝐵 , 𝐶)) ∈ (Base‘(Scalar‘𝑊)))
31	4, 16	clmsub 25025	. . 3 ⊢ ((𝑊 ∈ ℂMod ∧ ((𝐴 , 𝐶) + (𝐵 , 𝐷)) ∈ (Base‘(Scalar‘𝑊)) ∧ ((𝐴 , 𝐷) + (𝐵 , 𝐶)) ∈ (Base‘(Scalar‘𝑊))) → (((𝐴 , 𝐶) + (𝐵 , 𝐷)) − ((𝐴 , 𝐷) + (𝐵 , 𝐶))) = (((𝐴 , 𝐶) + (𝐵 , 𝐷))(-_g‘(Scalar‘𝑊))((𝐴 , 𝐷) + (𝐵 , 𝐶))))
32	3, 24, 30, 31	syl3anc 1368	. 2 ⊢ (𝜑 → (((𝐴 , 𝐶) + (𝐵 , 𝐷)) − ((𝐴 , 𝐷) + (𝐵 , 𝐶))) = (((𝐴 , 𝐶) + (𝐵 , 𝐷))(-_g‘(Scalar‘𝑊))((𝐴 , 𝐷) + (𝐵 , 𝐶))))
33		cphsubdir.m	. . 3 ⊢ − = (-_g‘𝑊)
34		eqid 2725	. . 3 ⊢ (-_g‘(Scalar‘𝑊)) = (-_g‘(Scalar‘𝑊))
35		eqid 2725	. . 3 ⊢ (+_g‘(Scalar‘𝑊)) = (+_g‘(Scalar‘𝑊))
36	4, 14, 15, 33, 34, 35, 11, 12, 19, 13, 20	ip2subdi 21580	. 2 ⊢ (𝜑 → ((𝐴 − 𝐵) , (𝐶 − 𝐷)) = (((𝐴 , 𝐶)(+_g‘(Scalar‘𝑊))(𝐵 , 𝐷))(-_g‘(Scalar‘𝑊))((𝐴 , 𝐷)(+_g‘(Scalar‘𝑊))(𝐵 , 𝐶))))
37	9, 32, 36	3eqtr4rd 2776	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 6543 (class class class)co 7416 + caddc 11141 − cmin 11474 Basecbs 17179 +_gcplusg 17232 Scalarcsca 17235 ·_𝑖cip 17237 -_gcsg 18896 PreHilcphl 21560 ℂModcclm 25007 ℂPreHilccph 25112

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 2166 ax-ext 2696 ax-rep 5280 ax-sep 5294 ax-nul 5301 ax-pow 5359 ax-pr 5423 ax-un 7738 ax-cnex 11194 ax-resscn 11195 ax-1cn 11196 ax-icn 11197 ax-addcl 11198 ax-addrcl 11199 ax-mulcl 11200 ax-mulrcl 11201 ax-mulcom 11202 ax-addass 11203 ax-mulass 11204 ax-distr 11205 ax-i2m1 11206 ax-1ne0 11207 ax-1rid 11208 ax-rnegex 11209 ax-rrecex 11210 ax-cnre 11211 ax-pre-lttri 11212 ax-pre-lttrn 11213 ax-pre-ltadd 11214 ax-pre-mulgt0 11215 ax-addf 11217 ax-mulf 11218

This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2703 df-cleq 2717 df-clel 2802 df-nfc 2877 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3364 df-reu 3365 df-rab 3420 df-v 3465 df-sbc 3769 df-csb 3885 df-dif 3942 df-un 3944 df-in 3946 df-ss 3956 df-pss 3959 df-nul 4319 df-if 4525 df-pw 4600 df-sn 4625 df-pr 4627 df-tp 4629 df-op 4631 df-uni 4904 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5227 df-tr 5261 df-id 5570 df-eprel 5576 df-po 5584 df-so 5585 df-fr 5627 df-we 5629 df-xp 5678 df-rel 5679 df-cnv 5680 df-co 5681 df-dm 5682 df-rn 5683 df-res 5684 df-ima 5685 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7372 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7869 df-1st 7991 df-2nd 7992 df-tpos 8230 df-frecs 8285 df-wrecs 8316 df-recs 8390 df-rdg 8429 df-1o 8485 df-er 8723 df-map 8845 df-en 8963 df-dom 8964 df-sdom 8965 df-fin 8966 df-pnf 11280 df-mnf 11281 df-xr 11282 df-ltxr 11283 df-le 11284 df-sub 11476 df-neg 11477 df-div 11902 df-nn 12243 df-2 12305 df-3 12306 df-4 12307 df-5 12308 df-6 12309 df-7 12310 df-8 12311 df-9 12312 df-n0 12503 df-z 12589 df-dec 12708 df-uz 12853 df-fz 13517 df-seq 13999 df-exp 14059 df-struct 17115 df-sets 17132 df-slot 17150 df-ndx 17162 df-base 17180 df-ress 17209 df-plusg 17245 df-mulr 17246 df-starv 17247 df-sca 17248 df-vsca 17249 df-ip 17250 df-tset 17251 df-ple 17252 df-ds 17254 df-unif 17255 df-0g 17422 df-mgm 18599 df-sgrp 18678 df-mnd 18694 df-mhm 18739 df-grp 18897 df-minusg 18898 df-sbg 18899 df-subg 19082 df-ghm 19172 df-cmn 19741 df-abl 19742 df-mgp 20079 df-rng 20097 df-ur 20126 df-ring 20179 df-cring 20180 df-oppr 20277 df-dvdsr 20300 df-unit 20301 df-rhm 20415 df-subrg 20512 df-drng 20630 df-staf 20729 df-srng 20730 df-lmod 20749 df-lmhm 20911 df-lvec 20992 df-sra 21062 df-rgmod 21063 df-cnfld 21284 df-phl 21562 df-nlm 24513 df-clm 25008 df-cph 25114

This theorem is referenced by: nmparlem 25185 cphipval2 25187

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