qusvsval - Mathbox for Thierry Arnoux

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Theorem qusvsval 33444

Description: Value of the scalar multiplication operation on the quotient structure. (Contributed by Thierry Arnoux, 18-May-2023.)

**Hypotheses**
Ref	Expression
eqgvscpbl.v	⊢ 𝐵 = (Base‘𝑀)
eqgvscpbl.e	⊢ ∼ = (𝑀 ~_QG 𝐺)
eqgvscpbl.s	⊢ 𝑆 = (Base‘(Scalar‘𝑀))
eqgvscpbl.p	⊢ · = ( ·_𝑠 ‘𝑀)
eqgvscpbl.m	⊢ (𝜑 → 𝑀 ∈ LMod)
eqgvscpbl.g	⊢ (𝜑 → 𝐺 ∈ (LSubSp‘𝑀))
eqgvscpbl.k	⊢ (𝜑 → 𝐾 ∈ 𝑆)
qusvsval.n	⊢ 𝑁 = (𝑀 /_s (𝑀 ~_QG 𝐺))
qusvsval.m	⊢ ∙ = ( ·_𝑠 ‘𝑁)
qusvsval.x	⊢ (𝜑 → 𝑋 ∈ 𝐵)

**Assertion**
Ref	Expression
qusvsval	⊢ (𝜑 → (𝐾 ∙ [𝑋](𝑀 ~_QG 𝐺)) = [(𝐾 · 𝑋)](𝑀 ~_QG 𝐺))

Proof of Theorem qusvsval Dummy variables 𝑘 𝑢 𝑣 𝑥 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqgvscpbl.k	. . 3 ⊢ (𝜑 → 𝐾 ∈ 𝑆)
2		qusvsval.x	. . 3 ⊢ (𝜑 → 𝑋 ∈ 𝐵)
3		qusvsval.n	. . . . . 6 ⊢ 𝑁 = (𝑀 /_s (𝑀 ~_QG 𝐺))
4	3	a1i 11	. . . . 5 ⊢ (𝜑 → 𝑁 = (𝑀 /_s (𝑀 ~_QG 𝐺)))
5		eqgvscpbl.v	. . . . . 6 ⊢ 𝐵 = (Base‘𝑀)
6	5	a1i 11	. . . . 5 ⊢ (𝜑 → 𝐵 = (Base‘𝑀))
7		eqid 2737	. . . . 5 ⊢ (𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺)) = (𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))
8		ovex 7401	. . . . . 6 ⊢ (𝑀 ~_QG 𝐺) ∈ V
9	8	a1i 11	. . . . 5 ⊢ (𝜑 → (𝑀 ~_QG 𝐺) ∈ V)
10		eqgvscpbl.m	. . . . 5 ⊢ (𝜑 → 𝑀 ∈ LMod)
11	4, 6, 7, 9, 10	qusval 17475	. . . 4 ⊢ (𝜑 → 𝑁 = ((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺)) “_s 𝑀))
12	4, 6, 7, 9, 10	quslem 17476	. . . 4 ⊢ (𝜑 → (𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺)):𝐵–onto→(𝐵 / (𝑀 ~_QG 𝐺)))
13		eqid 2737	. . . 4 ⊢ (Scalar‘𝑀) = (Scalar‘𝑀)
14		eqgvscpbl.s	. . . 4 ⊢ 𝑆 = (Base‘(Scalar‘𝑀))
15		eqgvscpbl.p	. . . 4 ⊢ · = ( ·_𝑠 ‘𝑀)
16		qusvsval.m	. . . 4 ⊢ ∙ = ( ·_𝑠 ‘𝑁)
17		eqgvscpbl.e	. . . . 5 ⊢ ∼ = (𝑀 ~_QG 𝐺)
18	10	adantr 480	. . . . 5 ⊢ ((𝜑 ∧ (𝑘 ∈ 𝑆 ∧ 𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵)) → 𝑀 ∈ LMod)
19		eqgvscpbl.g	. . . . . 6 ⊢ (𝜑 → 𝐺 ∈ (LSubSp‘𝑀))
20	19	adantr 480	. . . . 5 ⊢ ((𝜑 ∧ (𝑘 ∈ 𝑆 ∧ 𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵)) → 𝐺 ∈ (LSubSp‘𝑀))
21		simpr1 1196	. . . . 5 ⊢ ((𝜑 ∧ (𝑘 ∈ 𝑆 ∧ 𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵)) → 𝑘 ∈ 𝑆)
22		simpr2 1197	. . . . 5 ⊢ ((𝜑 ∧ (𝑘 ∈ 𝑆 ∧ 𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵)) → 𝑢 ∈ 𝐵)
23		simpr3 1198	. . . . 5 ⊢ ((𝜑 ∧ (𝑘 ∈ 𝑆 ∧ 𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵)) → 𝑣 ∈ 𝐵)
24	5, 17, 14, 15, 18, 20, 21, 3, 16, 7, 22, 23	qusvscpbl 33443	. . . 4 ⊢ ((𝜑 ∧ (𝑘 ∈ 𝑆 ∧ 𝑢 ∈ 𝐵 ∧ 𝑣 ∈ 𝐵)) → (((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))‘𝑢) = ((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))‘𝑣) → ((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))‘(𝑘 · 𝑢)) = ((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))‘(𝑘 · 𝑣))))
25	11, 6, 12, 10, 13, 14, 15, 16, 24	imasvscaval 17471	. . 3 ⊢ ((𝜑 ∧ 𝐾 ∈ 𝑆 ∧ 𝑋 ∈ 𝐵) → (𝐾 ∙ ((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))‘𝑋)) = ((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))‘(𝐾 · 𝑋)))
26	1, 2, 25	mpd3an23 1466	. 2 ⊢ (𝜑 → (𝐾 ∙ ((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))‘𝑋)) = ((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))‘(𝐾 · 𝑋)))
27		eceq1 8685	. . . . 5 ⊢ (𝑥 = 𝑋 → [𝑥](𝑀 ~_QG 𝐺) = [𝑋](𝑀 ~_QG 𝐺))
28		ecexg 8649	. . . . . 6 ⊢ ((𝑀 ~_QG 𝐺) ∈ V → [𝑋](𝑀 ~_QG 𝐺) ∈ V)
29	8, 28	ax-mp 5	. . . . 5 ⊢ [𝑋](𝑀 ~_QG 𝐺) ∈ V
30	27, 7, 29	fvmpt 6949	. . . 4 ⊢ (𝑋 ∈ 𝐵 → ((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))‘𝑋) = [𝑋](𝑀 ~_QG 𝐺))
31	2, 30	syl 17	. . 3 ⊢ (𝜑 → ((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))‘𝑋) = [𝑋](𝑀 ~_QG 𝐺))
32	31	oveq2d 7384	. 2 ⊢ (𝜑 → (𝐾 ∙ ((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))‘𝑋)) = (𝐾 ∙ [𝑋](𝑀 ~_QG 𝐺)))
33	5, 13, 15, 14	lmodvscl 20841	. . . 4 ⊢ ((𝑀 ∈ LMod ∧ 𝐾 ∈ 𝑆 ∧ 𝑋 ∈ 𝐵) → (𝐾 · 𝑋) ∈ 𝐵)
34	10, 1, 2, 33	syl3anc 1374	. . 3 ⊢ (𝜑 → (𝐾 · 𝑋) ∈ 𝐵)
35		eceq1 8685	. . . 4 ⊢ (𝑥 = (𝐾 · 𝑋) → [𝑥](𝑀 ~_QG 𝐺) = [(𝐾 · 𝑋)](𝑀 ~_QG 𝐺))
36		ecexg 8649	. . . . 5 ⊢ ((𝑀 ~_QG 𝐺) ∈ V → [(𝐾 · 𝑋)](𝑀 ~_QG 𝐺) ∈ V)
37	8, 36	ax-mp 5	. . . 4 ⊢ [(𝐾 · 𝑋)](𝑀 ~_QG 𝐺) ∈ V
38	35, 7, 37	fvmpt 6949	. . 3 ⊢ ((𝐾 · 𝑋) ∈ 𝐵 → ((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))‘(𝐾 · 𝑋)) = [(𝐾 · 𝑋)](𝑀 ~_QG 𝐺))
39	34, 38	syl 17	. 2 ⊢ (𝜑 → ((𝑥 ∈ 𝐵 ↦ [𝑥](𝑀 ~_QG 𝐺))‘(𝐾 · 𝑋)) = [(𝐾 · 𝑋)](𝑀 ~_QG 𝐺))
40	26, 32, 39	3eqtr3d 2780	1 ⊢ (𝜑 → (𝐾 ∙ [𝑋](𝑀 ~_QG 𝐺)) = [(𝐾 · 𝑋)](𝑀 ~_QG 𝐺))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 Vcvv 3442 ↦ cmpt 5181 ‘cfv 6500 (class class class)co 7368 [cec 8643 / cqs 8644 Basecbs 17148 Scalarcsca 17192 ·_𝑠 cvsca 17193 /_s cqus 17438 ~_QG cqg 19064 LModclmod 20823 LSubSpclss 20894

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115

This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-er 8645 df-ec 8647 df-qs 8651 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-sup 9357 df-inf 9358 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-nn 12158 df-2 12220 df-3 12221 df-4 12222 df-5 12223 df-6 12224 df-7 12225 df-8 12226 df-9 12227 df-n0 12414 df-z 12501 df-dec 12620 df-uz 12764 df-fz 13436 df-struct 17086 df-sets 17103 df-slot 17121 df-ndx 17133 df-base 17149 df-ress 17170 df-plusg 17202 df-mulr 17203 df-sca 17205 df-vsca 17206 df-ip 17207 df-tset 17208 df-ple 17209 df-ds 17211 df-0g 17373 df-imas 17441 df-qus 17442 df-mgm 18577 df-sgrp 18656 df-mnd 18672 df-grp 18878 df-minusg 18879 df-sbg 18880 df-subg 19065 df-eqg 19067 df-cmn 19723 df-abl 19724 df-mgp 20088 df-rng 20100 df-ur 20129 df-ring 20182 df-lmod 20825 df-lss 20895

This theorem is referenced by: lmhmqusker 33509

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