hdmap14lem4a - Mathbox for Norm Megill

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Theorem hdmap14lem4a 40190

Description: Simplify (𝐴 ∖ {𝑄}) in hdmap14lem3 40189 to provide a slightly simpler definition later. (Contributed by NM, 31-May-2015.)

**Hypotheses**
Ref	Expression
hdmap14lem1.h	⊢ 𝐻 = (LHyp‘𝐾)
hdmap14lem1.u	⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
hdmap14lem1.v	⊢ 𝑉 = (Base‘𝑈)
hdmap14lem1.t	⊢ · = ( ·_𝑠 ‘𝑈)
hdmap14lem3.o	⊢ 0 = (0_g‘𝑈)
hdmap14lem1.r	⊢ 𝑅 = (Scalar‘𝑈)
hdmap14lem1.b	⊢ 𝐵 = (Base‘𝑅)
hdmap14lem1.z	⊢ 𝑍 = (0_g‘𝑅)
hdmap14lem1.c	⊢ 𝐶 = ((LCDual‘𝐾)‘𝑊)
hdmap14lem2.e	⊢ ∙ = ( ·_𝑠 ‘𝐶)
hdmap14lem1.l	⊢ 𝐿 = (LSpan‘𝐶)
hdmap14lem2.p	⊢ 𝑃 = (Scalar‘𝐶)
hdmap14lem2.a	⊢ 𝐴 = (Base‘𝑃)
hdmap14lem2.q	⊢ 𝑄 = (0_g‘𝑃)
hdmap14lem1.s	⊢ 𝑆 = ((HDMap‘𝐾)‘𝑊)
hdmap14lem1.k	⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
hdmap14lem3.x	⊢ (𝜑 → 𝑋 ∈ (𝑉 ∖ { 0 }))
hdmap14lem1.f	⊢ (𝜑 → 𝐹 ∈ (𝐵 ∖ {𝑍}))

**Assertion**
Ref	Expression
hdmap14lem4a	⊢ (𝜑 → (∃!𝑔 ∈ (𝐴 ∖ {𝑄})(𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋)) ↔ ∃!𝑔 ∈ 𝐴 (𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋))))

Distinct variable groups: 𝐴,𝑔 ∙ ,𝑔 𝑔,𝐹 𝑄,𝑔 𝑆,𝑔 · ,𝑔 𝑔,𝑋 𝜑,𝑔 Allowed substitution hints: 𝐵(𝑔) 𝐶(𝑔) 𝑃(𝑔) 𝑅(𝑔) 𝑈(𝑔) 𝐻(𝑔) 𝐾(𝑔) 𝐿(𝑔) 𝑉(𝑔) 𝑊(𝑔) 0 (𝑔) 𝑍(𝑔)

**Proof of Theorem hdmap14lem4a**
Step	Hyp	Ref	Expression
1		hdmap14lem1.h	. . . . . . . . 9 ⊢ 𝐻 = (LHyp‘𝐾)
2		hdmap14lem1.u	. . . . . . . . 9 ⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
3		hdmap14lem1.v	. . . . . . . . 9 ⊢ 𝑉 = (Base‘𝑈)
4		hdmap14lem3.o	. . . . . . . . 9 ⊢ 0 = (0_g‘𝑈)
5		hdmap14lem1.c	. . . . . . . . 9 ⊢ 𝐶 = ((LCDual‘𝐾)‘𝑊)
6		eqid 2737	. . . . . . . . 9 ⊢ (0_g‘𝐶) = (0_g‘𝐶)
7		eqid 2737	. . . . . . . . 9 ⊢ (Base‘𝐶) = (Base‘𝐶)
8		hdmap14lem1.s	. . . . . . . . 9 ⊢ 𝑆 = ((HDMap‘𝐾)‘𝑊)
9		hdmap14lem1.k	. . . . . . . . 9 ⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
10	1, 2, 9	dvhlmod 39429	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑈 ∈ LMod)
11		hdmap14lem1.f	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐹 ∈ (𝐵 ∖ {𝑍}))
12	11	eldifad 3917	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐹 ∈ 𝐵)
13		hdmap14lem3.x	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑋 ∈ (𝑉 ∖ { 0 }))
14	13	eldifad 3917	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑋 ∈ 𝑉)
15		hdmap14lem1.r	. . . . . . . . . . . 12 ⊢ 𝑅 = (Scalar‘𝑈)
16		hdmap14lem1.t	. . . . . . . . . . . 12 ⊢ · = ( ·_𝑠 ‘𝑈)
17		hdmap14lem1.b	. . . . . . . . . . . 12 ⊢ 𝐵 = (Base‘𝑅)
18	3, 15, 16, 17	lmodvscl 20250	. . . . . . . . . . 11 ⊢ ((𝑈 ∈ LMod ∧ 𝐹 ∈ 𝐵 ∧ 𝑋 ∈ 𝑉) → (𝐹 · 𝑋) ∈ 𝑉)
19	10, 12, 14, 18	syl3anc 1371	. . . . . . . . . 10 ⊢ (𝜑 → (𝐹 · 𝑋) ∈ 𝑉)
20		eldifsni 4745	. . . . . . . . . . . 12 ⊢ (𝐹 ∈ (𝐵 ∖ {𝑍}) → 𝐹 ≠ 𝑍)
21	11, 20	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐹 ≠ 𝑍)
22		eldifsni 4745	. . . . . . . . . . . 12 ⊢ (𝑋 ∈ (𝑉 ∖ { 0 }) → 𝑋 ≠ 0 )
23	13, 22	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑋 ≠ 0 )
24		hdmap14lem1.z	. . . . . . . . . . . 12 ⊢ 𝑍 = (0_g‘𝑅)
25	1, 2, 9	dvhlvec 39428	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑈 ∈ LVec)
26	3, 16, 15, 17, 24, 4, 25, 12, 14	lvecvsn0 20481	. . . . . . . . . . 11 ⊢ (𝜑 → ((𝐹 · 𝑋) ≠ 0 ↔ (𝐹 ≠ 𝑍 ∧ 𝑋 ≠ 0 )))
27	21, 23, 26	mpbir2and 711	. . . . . . . . . 10 ⊢ (𝜑 → (𝐹 · 𝑋) ≠ 0 )
28		eldifsn 4742	. . . . . . . . . 10 ⊢ ((𝐹 · 𝑋) ∈ (𝑉 ∖ { 0 }) ↔ ((𝐹 · 𝑋) ∈ 𝑉 ∧ (𝐹 · 𝑋) ≠ 0 ))
29	19, 27, 28	sylanbrc 584	. . . . . . . . 9 ⊢ (𝜑 → (𝐹 · 𝑋) ∈ (𝑉 ∖ { 0 }))
30	1, 2, 3, 4, 5, 6, 7, 8, 9, 29	hdmapnzcl 40164	. . . . . . . 8 ⊢ (𝜑 → (𝑆‘(𝐹 · 𝑋)) ∈ ((Base‘𝐶) ∖ {(0_g‘𝐶)}))
31		eldifsni 4745	. . . . . . . 8 ⊢ ((𝑆‘(𝐹 · 𝑋)) ∈ ((Base‘𝐶) ∖ {(0_g‘𝐶)}) → (𝑆‘(𝐹 · 𝑋)) ≠ (0_g‘𝐶))
32	30, 31	syl 17	. . . . . . 7 ⊢ (𝜑 → (𝑆‘(𝐹 · 𝑋)) ≠ (0_g‘𝐶))
33	32	adantr 482	. . . . . 6 ⊢ ((𝜑 ∧ 𝑔 ∈ {𝑄}) → (𝑆‘(𝐹 · 𝑋)) ≠ (0_g‘𝐶))
34		elsni 4598	. . . . . . . 8 ⊢ (𝑔 ∈ {𝑄} → 𝑔 = 𝑄)
35	34	oveq1d 7361	. . . . . . 7 ⊢ (𝑔 ∈ {𝑄} → (𝑔 ∙ (𝑆‘𝑋)) = (𝑄 ∙ (𝑆‘𝑋)))
36	1, 5, 9	lcdlmod 39911	. . . . . . . 8 ⊢ (𝜑 → 𝐶 ∈ LMod)
37	1, 2, 3, 5, 7, 8, 9, 14	hdmapcl 40149	. . . . . . . 8 ⊢ (𝜑 → (𝑆‘𝑋) ∈ (Base‘𝐶))
38		hdmap14lem2.p	. . . . . . . . 9 ⊢ 𝑃 = (Scalar‘𝐶)
39		hdmap14lem2.e	. . . . . . . . 9 ⊢ ∙ = ( ·_𝑠 ‘𝐶)
40		hdmap14lem2.q	. . . . . . . . 9 ⊢ 𝑄 = (0_g‘𝑃)
41	7, 38, 39, 40, 6	lmod0vs 20266	. . . . . . . 8 ⊢ ((𝐶 ∈ LMod ∧ (𝑆‘𝑋) ∈ (Base‘𝐶)) → (𝑄 ∙ (𝑆‘𝑋)) = (0_g‘𝐶))
42	36, 37, 41	syl2anc 585	. . . . . . 7 ⊢ (𝜑 → (𝑄 ∙ (𝑆‘𝑋)) = (0_g‘𝐶))
43	35, 42	sylan9eqr 2799	. . . . . 6 ⊢ ((𝜑 ∧ 𝑔 ∈ {𝑄}) → (𝑔 ∙ (𝑆‘𝑋)) = (0_g‘𝐶))
44	33, 43	neeqtrrd 3016	. . . . 5 ⊢ ((𝜑 ∧ 𝑔 ∈ {𝑄}) → (𝑆‘(𝐹 · 𝑋)) ≠ (𝑔 ∙ (𝑆‘𝑋)))
45	44	neneqd 2946	. . . 4 ⊢ ((𝜑 ∧ 𝑔 ∈ {𝑄}) → ¬ (𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋)))
46	45	nrexdv 3144	. . 3 ⊢ (𝜑 → ¬ ∃𝑔 ∈ {𝑄} (𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋)))
47		reuun2 4269	. . 3 ⊢ (¬ ∃𝑔 ∈ {𝑄} (𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋)) → (∃!𝑔 ∈ ((𝐴 ∖ {𝑄}) ∪ {𝑄})(𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋)) ↔ ∃!𝑔 ∈ (𝐴 ∖ {𝑄})(𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋))))
48	46, 47	syl 17	. 2 ⊢ (𝜑 → (∃!𝑔 ∈ ((𝐴 ∖ {𝑄}) ∪ {𝑄})(𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋)) ↔ ∃!𝑔 ∈ (𝐴 ∖ {𝑄})(𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋))))
49		hdmap14lem2.a	. . . 4 ⊢ 𝐴 = (Base‘𝑃)
50	38, 49, 40	lmod0cl 20259	. . 3 ⊢ (𝐶 ∈ LMod → 𝑄 ∈ 𝐴)
51		difsnid 4765	. . 3 ⊢ (𝑄 ∈ 𝐴 → ((𝐴 ∖ {𝑄}) ∪ {𝑄}) = 𝐴)
52		reueq1 3390	. . 3 ⊢ (((𝐴 ∖ {𝑄}) ∪ {𝑄}) = 𝐴 → (∃!𝑔 ∈ ((𝐴 ∖ {𝑄}) ∪ {𝑄})(𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋)) ↔ ∃!𝑔 ∈ 𝐴 (𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋))))
53	36, 50, 51, 52	4syl 19	. 2 ⊢ (𝜑 → (∃!𝑔 ∈ ((𝐴 ∖ {𝑄}) ∪ {𝑄})(𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋)) ↔ ∃!𝑔 ∈ 𝐴 (𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋))))
54	48, 53	bitr3d 281	1 ⊢ (𝜑 → (∃!𝑔 ∈ (𝐴 ∖ {𝑄})(𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋)) ↔ ∃!𝑔 ∈ 𝐴 (𝑆‘(𝐹 · 𝑋)) = (𝑔 ∙ (𝑆‘𝑋))))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 397 = wceq 1541 ∈ wcel 2106 ≠ wne 2941 ∃wrex 3071 ∃!wreu 3349 ∖ cdif 3902 ∪ cun 3903 {csn 4581 ‘cfv 6488 (class class class)co 7346 Basecbs 17014 Scalarcsca 17067 ·_𝑠 cvsca 17068 0_gc0g 17252 LModclmod 20233 LSpanclspn 20343 HLchlt 37668 LHypclh 38303 DVecHcdvh 39397 LCDualclcd 39905 HDMapchdma 40111

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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2708 ax-rep 5237 ax-sep 5251 ax-nul 5258 ax-pow 5315 ax-pr 5379 ax-un 7659 ax-cnex 11037 ax-resscn 11038 ax-1cn 11039 ax-icn 11040 ax-addcl 11041 ax-addrcl 11042 ax-mulcl 11043 ax-mulrcl 11044 ax-mulcom 11045 ax-addass 11046 ax-mulass 11047 ax-distr 11048 ax-i2m1 11049 ax-1ne0 11050 ax-1rid 11051 ax-rnegex 11052 ax-rrecex 11053 ax-cnre 11054 ax-pre-lttri 11055 ax-pre-lttrn 11056 ax-pre-ltadd 11057 ax-pre-mulgt0 11058 ax-riotaBAD 37271

This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2815 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3351 df-reu 3352 df-rab 3406 df-v 3445 df-sbc 3735 df-csb 3851 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3924 df-nul 4278 df-if 4482 df-pw 4557 df-sn 4582 df-pr 4584 df-tp 4586 df-op 4588 df-ot 4590 df-uni 4861 df-int 4903 df-iun 4951 df-iin 4952 df-br 5101 df-opab 5163 df-mpt 5184 df-tr 5218 df-id 5525 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5582 df-we 5584 df-xp 5633 df-rel 5634 df-cnv 5635 df-co 5636 df-dm 5637 df-rn 5638 df-res 5639 df-ima 5640 df-pred 6246 df-ord 6313 df-on 6314 df-lim 6315 df-suc 6316 df-iota 6440 df-fun 6490 df-fn 6491 df-f 6492 df-f1 6493 df-fo 6494 df-f1o 6495 df-fv 6496 df-riota 7302 df-ov 7349 df-oprab 7350 df-mpo 7351 df-of 7604 df-om 7790 df-1st 7908 df-2nd 7909 df-tpos 8121 df-undef 8168 df-frecs 8176 df-wrecs 8207 df-recs 8281 df-rdg 8320 df-1o 8376 df-er 8578 df-map 8697 df-en 8814 df-dom 8815 df-sdom 8816 df-fin 8817 df-pnf 11121 df-mnf 11122 df-xr 11123 df-ltxr 11124 df-le 11125 df-sub 11317 df-neg 11318 df-nn 12084 df-2 12146 df-3 12147 df-4 12148 df-5 12149 df-6 12150 df-n0 12344 df-z 12430 df-uz 12693 df-fz 13350 df-struct 16950 df-sets 16967 df-slot 16985 df-ndx 16997 df-base 17015 df-ress 17044 df-plusg 17077 df-mulr 17078 df-sca 17080 df-vsca 17081 df-0g 17254 df-mre 17397 df-mrc 17398 df-acs 17400 df-proset 18115 df-poset 18133 df-plt 18150 df-lub 18166 df-glb 18167 df-join 18168 df-meet 18169 df-p0 18245 df-p1 18246 df-lat 18252 df-clat 18319 df-mgm 18428 df-sgrp 18477 df-mnd 18488 df-submnd 18533 df-grp 18681 df-minusg 18682 df-sbg 18683 df-subg 18853 df-cntz 19024 df-oppg 19051 df-lsm 19342 df-cmn 19488 df-abl 19489 df-mgp 19820 df-ur 19837 df-ring 19884 df-oppr 19961 df-dvdsr 19982 df-unit 19983 df-invr 20013 df-dvr 20024 df-drng 20099 df-lmod 20235 df-lss 20304 df-lsp 20344 df-lvec 20475 df-lsatoms 37294 df-lshyp 37295 df-lcv 37337 df-lfl 37376 df-lkr 37404 df-ldual 37442 df-oposet 37494 df-ol 37496 df-oml 37497 df-covers 37584 df-ats 37585 df-atl 37616 df-cvlat 37640 df-hlat 37669 df-llines 37817 df-lplanes 37818 df-lvols 37819 df-lines 37820 df-psubsp 37822 df-pmap 37823 df-padd 38115 df-lhyp 38307 df-laut 38308 df-ldil 38423 df-ltrn 38424 df-trl 38478 df-tgrp 39062 df-tendo 39074 df-edring 39076 df-dveca 39322 df-disoa 39348 df-dvech 39398 df-dib 39458 df-dic 39492 df-dih 39548 df-doch 39667 df-djh 39714 df-lcdual 39906 df-mapd 39944 df-hvmap 40076 df-hdmap1 40112 df-hdmap 40113

This theorem is referenced by: hdmap14lem4 40191

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