lcfrlem33 - Mathbox for Norm Megill

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Theorem lcfrlem33 42725

Description: Lemma for lcfr 42735. (Contributed by NM, 10-Mar-2015.)

**Hypotheses**
Ref	Expression
lcfrlem17.h	⊢ 𝐻 = (LHyp‘𝐾)
lcfrlem17.o	⊢ ⊥ = ((ocH‘𝐾)‘𝑊)
lcfrlem17.u	⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
lcfrlem17.v	⊢ 𝑉 = (Base‘𝑈)
lcfrlem17.p	⊢ + = (+_g‘𝑈)
lcfrlem17.z	⊢ 0 = (0_g‘𝑈)
lcfrlem17.n	⊢ 𝑁 = (LSpan‘𝑈)
lcfrlem17.a	⊢ 𝐴 = (LSAtoms‘𝑈)
lcfrlem17.k	⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
lcfrlem17.x	⊢ (𝜑 → 𝑋 ∈ (𝑉 ∖ { 0 }))
lcfrlem17.y	⊢ (𝜑 → 𝑌 ∈ (𝑉 ∖ { 0 }))
lcfrlem17.ne	⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑌}))
lcfrlem22.b	⊢ 𝐵 = ((𝑁‘{𝑋, 𝑌}) ∩ ( ⊥ ‘{(𝑋 + 𝑌)}))
lcfrlem24.t	⊢ · = ( ·_𝑠 ‘𝑈)
lcfrlem24.s	⊢ 𝑆 = (Scalar‘𝑈)
lcfrlem24.q	⊢ 𝑄 = (0_g‘𝑆)
lcfrlem24.r	⊢ 𝑅 = (Base‘𝑆)
lcfrlem24.j	⊢ 𝐽 = (𝑥 ∈ (𝑉 ∖ { 0 }) ↦ (𝑣 ∈ 𝑉 ↦ (℩𝑘 ∈ 𝑅 ∃𝑤 ∈ ( ⊥ ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))))
lcfrlem24.ib	⊢ (𝜑 → 𝐼 ∈ 𝐵)
lcfrlem24.l	⊢ 𝐿 = (LKer‘𝑈)
lcfrlem25.d	⊢ 𝐷 = (LDual‘𝑈)
lcfrlem28.jn	⊢ (𝜑 → ((𝐽‘𝑌)‘𝐼) ≠ 𝑄)
lcfrlem29.i	⊢ 𝐹 = (inv_r‘𝑆)
lcfrlem30.m	⊢ − = (-_g‘𝐷)
lcfrlem30.c	⊢ 𝐶 = ((𝐽‘𝑋) − (((𝐹‘((𝐽‘𝑌)‘𝐼))(._r‘𝑆)((𝐽‘𝑋)‘𝐼))( ·_𝑠 ‘𝐷)(𝐽‘𝑌)))
lcfrlem33.xi	⊢ (𝜑 → ((𝐽‘𝑋)‘𝐼) = 𝑄)

**Assertion**
Ref	Expression
lcfrlem33	⊢ (𝜑 → 𝐶 ≠ (0_g‘𝐷))

Distinct variable groups: 𝑣,𝑘,𝑤,𝑥, ⊥ + ,𝑘,𝑣,𝑤,𝑥 𝑅,𝑘,𝑣,𝑥 𝑆,𝑘 · ,𝑘,𝑣,𝑤,𝑥 𝑣,𝑉,𝑥 𝑘,𝑋,𝑣,𝑤,𝑥 𝑘,𝑌,𝑣,𝑤,𝑥 𝑥, 0 Allowed substitution hints: 𝜑(𝑥, 𝑤, 𝑣, 𝑘) 𝐴(𝑥, 𝑤, 𝑣, 𝑘) 𝐵(𝑥, 𝑤, 𝑣, 𝑘) 𝐶(𝑥, 𝑤, 𝑣, 𝑘) 𝐷(𝑥, 𝑤, 𝑣, 𝑘) 𝑄(𝑥, 𝑤, 𝑣, 𝑘) 𝑅(𝑤) 𝑆(𝑥, 𝑤, 𝑣) 𝑈(𝑥, 𝑤, 𝑣, 𝑘) 𝐹(𝑥, 𝑤, 𝑣, 𝑘) 𝐻(𝑥, 𝑤, 𝑣, 𝑘) 𝐼(𝑥, 𝑤, 𝑣, 𝑘) 𝐽(𝑥, 𝑤, 𝑣, 𝑘) 𝐾(𝑥, 𝑤, 𝑣, 𝑘) 𝐿(𝑥, 𝑤, 𝑣, 𝑘) − (𝑥, 𝑤, 𝑣, 𝑘) 𝑁(𝑥, 𝑤, 𝑣, 𝑘) 𝑉(𝑤, 𝑘) 𝑊(𝑥, 𝑤, 𝑣, 𝑘) 0 (𝑤, 𝑣, 𝑘)

Proof of Theorem lcfrlem33 Dummy variable 𝑓 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		lcfrlem30.c	. . 3 ⊢ 𝐶 = ((𝐽‘𝑋) − (((𝐹‘((𝐽‘𝑌)‘𝐼))(._r‘𝑆)((𝐽‘𝑋)‘𝐼))( ·_𝑠 ‘𝐷)(𝐽‘𝑌)))
2		lcfrlem33.xi	. . . . . . . . 9 ⊢ (𝜑 → ((𝐽‘𝑋)‘𝐼) = 𝑄)
3	2	oveq2d 7436	. . . . . . . 8 ⊢ (𝜑 → ((𝐹‘((𝐽‘𝑌)‘𝐼))(._r‘𝑆)((𝐽‘𝑋)‘𝐼)) = ((𝐹‘((𝐽‘𝑌)‘𝐼))(._r‘𝑆)𝑄))
4		lcfrlem17.h	. . . . . . . . . . 11 ⊢ 𝐻 = (LHyp‘𝐾)
5		lcfrlem17.u	. . . . . . . . . . 11 ⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
6		lcfrlem17.k	. . . . . . . . . . 11 ⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
7	4, 5, 6	dvhlmod 42260	. . . . . . . . . 10 ⊢ (𝜑 → 𝑈 ∈ LMod)
8		lcfrlem24.s	. . . . . . . . . . 11 ⊢ 𝑆 = (Scalar‘𝑈)
9	8	lmodring 21148	. . . . . . . . . 10 ⊢ (𝑈 ∈ LMod → 𝑆 ∈ Ring)
10	7, 9	syl 18	. . . . . . . . 9 ⊢ (𝜑 → 𝑆 ∈ Ring)
11	4, 5, 6	dvhlvec 42259	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑈 ∈ LVec)
12	8	lvecdrng 21385	. . . . . . . . . . 11 ⊢ (𝑈 ∈ LVec → 𝑆 ∈ DivRing)
13	11, 12	syl 18	. . . . . . . . . 10 ⊢ (𝜑 → 𝑆 ∈ DivRing)
14		lcfrlem17.o	. . . . . . . . . . . 12 ⊢ ⊥ = ((ocH‘𝐾)‘𝑊)
15		lcfrlem17.v	. . . . . . . . . . . 12 ⊢ 𝑉 = (Base‘𝑈)
16		lcfrlem17.p	. . . . . . . . . . . 12 ⊢ + = (+_g‘𝑈)
17		lcfrlem24.t	. . . . . . . . . . . 12 ⊢ · = ( ·_𝑠 ‘𝑈)
18		lcfrlem24.r	. . . . . . . . . . . 12 ⊢ 𝑅 = (Base‘𝑆)
19		lcfrlem17.z	. . . . . . . . . . . 12 ⊢ 0 = (0_g‘𝑈)
20		eqid 2760	. . . . . . . . . . . 12 ⊢ (LFnl‘𝑈) = (LFnl‘𝑈)
21		lcfrlem24.l	. . . . . . . . . . . 12 ⊢ 𝐿 = (LKer‘𝑈)
22		lcfrlem25.d	. . . . . . . . . . . 12 ⊢ 𝐷 = (LDual‘𝑈)
23		eqid 2760	. . . . . . . . . . . 12 ⊢ (0_g‘𝐷) = (0_g‘𝐷)
24		eqid 2760	. . . . . . . . . . . 12 ⊢ {𝑓 ∈ (LFnl‘𝑈) ∣ ( ⊥ ‘( ⊥ ‘(𝐿‘𝑓))) = (𝐿‘𝑓)} = {𝑓 ∈ (LFnl‘𝑈) ∣ ( ⊥ ‘( ⊥ ‘(𝐿‘𝑓))) = (𝐿‘𝑓)}
25		lcfrlem24.j	. . . . . . . . . . . 12 ⊢ 𝐽 = (𝑥 ∈ (𝑉 ∖ { 0 }) ↦ (𝑣 ∈ 𝑉 ↦ (℩𝑘 ∈ 𝑅 ∃𝑤 ∈ ( ⊥ ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))))
26		lcfrlem17.y	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑌 ∈ (𝑉 ∖ { 0 }))
27	4, 14, 5, 15, 16, 17, 8, 18, 19, 20, 21, 22, 23, 24, 25, 6, 26	lcfrlem10 42702	. . . . . . . . . . 11 ⊢ (𝜑 → (𝐽‘𝑌) ∈ (LFnl‘𝑈))
28		lcfrlem17.a	. . . . . . . . . . . . 13 ⊢ 𝐴 = (LSAtoms‘𝑈)
29		lcfrlem17.n	. . . . . . . . . . . . . 14 ⊢ 𝑁 = (LSpan‘𝑈)
30		lcfrlem17.x	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝑋 ∈ (𝑉 ∖ { 0 }))
31		lcfrlem17.ne	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑌}))
32		lcfrlem22.b	. . . . . . . . . . . . . 14 ⊢ 𝐵 = ((𝑁‘{𝑋, 𝑌}) ∩ ( ⊥ ‘{(𝑋 + 𝑌)}))
33	4, 14, 5, 15, 16, 19, 29, 28, 6, 30, 26, 31, 32	lcfrlem22 42714	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐵 ∈ 𝐴)
34	15, 28, 7, 33	lsatssv 40148	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐵 ⊆ 𝑉)
35		lcfrlem24.ib	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐼 ∈ 𝐵)
36	34, 35	sseldd 3909	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐼 ∈ 𝑉)
37	8, 18, 15, 20	lflcl 40214	. . . . . . . . . . 11 ⊢ ((𝑈 ∈ LMod ∧ (𝐽‘𝑌) ∈ (LFnl‘𝑈) ∧ 𝐼 ∈ 𝑉) → ((𝐽‘𝑌)‘𝐼) ∈ 𝑅)
38	7, 27, 36, 37	syl3anc 1398	. . . . . . . . . 10 ⊢ (𝜑 → ((𝐽‘𝑌)‘𝐼) ∈ 𝑅)
39		lcfrlem28.jn	. . . . . . . . . 10 ⊢ (𝜑 → ((𝐽‘𝑌)‘𝐼) ≠ 𝑄)
40		lcfrlem24.q	. . . . . . . . . . 11 ⊢ 𝑄 = (0_g‘𝑆)
41		lcfrlem29.i	. . . . . . . . . . 11 ⊢ 𝐹 = (inv_r‘𝑆)
42	18, 40, 41	drnginvrcl 21016	. . . . . . . . . 10 ⊢ ((𝑆 ∈ DivRing ∧ ((𝐽‘𝑌)‘𝐼) ∈ 𝑅 ∧ ((𝐽‘𝑌)‘𝐼) ≠ 𝑄) → (𝐹‘((𝐽‘𝑌)‘𝐼)) ∈ 𝑅)
43	13, 38, 39, 42	syl3anc 1398	. . . . . . . . 9 ⊢ (𝜑 → (𝐹‘((𝐽‘𝑌)‘𝐼)) ∈ 𝑅)
44		eqid 2760	. . . . . . . . . 10 ⊢ (._r‘𝑆) = (._r‘𝑆)
45	18, 44, 40	ringrz 20530	. . . . . . . . 9 ⊢ ((𝑆 ∈ Ring ∧ (𝐹‘((𝐽‘𝑌)‘𝐼)) ∈ 𝑅) → ((𝐹‘((𝐽‘𝑌)‘𝐼))(._r‘𝑆)𝑄) = 𝑄)
46	10, 43, 45	syl2anc 596	. . . . . . . 8 ⊢ (𝜑 → ((𝐹‘((𝐽‘𝑌)‘𝐼))(._r‘𝑆)𝑄) = 𝑄)
47	3, 46	eqtrd 2795	. . . . . . 7 ⊢ (𝜑 → ((𝐹‘((𝐽‘𝑌)‘𝐼))(._r‘𝑆)((𝐽‘𝑋)‘𝐼)) = 𝑄)
48	47	oveq1d 7435	. . . . . 6 ⊢ (𝜑 → (((𝐹‘((𝐽‘𝑌)‘𝐼))(._r‘𝑆)((𝐽‘𝑋)‘𝐼))( ·_𝑠 ‘𝐷)(𝐽‘𝑌)) = (𝑄( ·_𝑠 ‘𝐷)(𝐽‘𝑌)))
49		eqid 2760	. . . . . . 7 ⊢ ( ·_𝑠 ‘𝐷) = ( ·_𝑠 ‘𝐷)
50	20, 8, 40, 22, 49, 23, 7, 27	ldual0vs 40310	. . . . . 6 ⊢ (𝜑 → (𝑄( ·_𝑠 ‘𝐷)(𝐽‘𝑌)) = (0_g‘𝐷))
51	48, 50	eqtrd 2795	. . . . 5 ⊢ (𝜑 → (((𝐹‘((𝐽‘𝑌)‘𝐼))(._r‘𝑆)((𝐽‘𝑋)‘𝐼))( ·_𝑠 ‘𝐷)(𝐽‘𝑌)) = (0_g‘𝐷))
52	51	oveq2d 7436	. . . 4 ⊢ (𝜑 → ((𝐽‘𝑋) − (((𝐹‘((𝐽‘𝑌)‘𝐼))(._r‘𝑆)((𝐽‘𝑋)‘𝐼))( ·_𝑠 ‘𝐷)(𝐽‘𝑌))) = ((𝐽‘𝑋) − (0_g‘𝐷)))
53	22, 7	ldualgrp 40296	. . . . 5 ⊢ (𝜑 → 𝐷 ∈ Grp)
54		eqid 2760	. . . . . 6 ⊢ (Base‘𝐷) = (Base‘𝐷)
55	4, 14, 5, 15, 16, 17, 8, 18, 19, 20, 21, 22, 23, 24, 25, 6, 30	lcfrlem10 42702	. . . . . 6 ⊢ (𝜑 → (𝐽‘𝑋) ∈ (LFnl‘𝑈))
56	20, 22, 54, 7, 55	ldualelvbase 40277	. . . . 5 ⊢ (𝜑 → (𝐽‘𝑋) ∈ (Base‘𝐷))
57		lcfrlem30.m	. . . . . 6 ⊢ − = (-_g‘𝐷)
58	54, 23, 57	grpsubid1 19240	. . . . 5 ⊢ ((𝐷 ∈ Grp ∧ (𝐽‘𝑋) ∈ (Base‘𝐷)) → ((𝐽‘𝑋) − (0_g‘𝐷)) = (𝐽‘𝑋))
59	53, 56, 58	syl2anc 596	. . . 4 ⊢ (𝜑 → ((𝐽‘𝑋) − (0_g‘𝐷)) = (𝐽‘𝑋))
60	52, 59	eqtrd 2795	. . 3 ⊢ (𝜑 → ((𝐽‘𝑋) − (((𝐹‘((𝐽‘𝑌)‘𝐼))(._r‘𝑆)((𝐽‘𝑋)‘𝐼))( ·_𝑠 ‘𝐷)(𝐽‘𝑌))) = (𝐽‘𝑋))
61	1, 60	eqtrid 2807	. 2 ⊢ (𝜑 → 𝐶 = (𝐽‘𝑋))
62	4, 14, 5, 15, 16, 17, 8, 18, 19, 20, 21, 22, 23, 24, 25, 6, 30	lcfrlem13 42705	. . 3 ⊢ (𝜑 → (𝐽‘𝑋) ∈ ({𝑓 ∈ (LFnl‘𝑈) ∣ ( ⊥ ‘( ⊥ ‘(𝐿‘𝑓))) = (𝐿‘𝑓)} ∖ {(0_g‘𝐷)}))
63		eldifsni 4749	. . 3 ⊢ ((𝐽‘𝑋) ∈ ({𝑓 ∈ (LFnl‘𝑈) ∣ ( ⊥ ‘( ⊥ ‘(𝐿‘𝑓))) = (𝐿‘𝑓)} ∖ {(0_g‘𝐷)}) → (𝐽‘𝑋) ≠ (0_g‘𝐷))
64	62, 63	syl 18	. 2 ⊢ (𝜑 → (𝐽‘𝑋) ≠ (0_g‘𝐷))
65	61, 64	eqnetrd 3022	1 ⊢ (𝜑 → 𝐶 ≠ (0_g‘𝐷))

Colors of variables: wff setvar class

This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1569 ∈ wcel 2144 ≠ wne 2955 ∃wrex 3086 {crab 3412 ∖ cdif 4045 ∩ cin 4089 {csn 4584 {cpr 4586 ↦ cmpt 5185 ‘cfv 6538 ℩crio 7376 (class class class)co 7420 Basecbs 17392 +_gcplusg 17433 ._rcmulr 17434 Scalarcsca 17436 ·_𝑠 cvsca 17437 0_gc0g 17615 Grpcgrp 19149 -_gcsg 19151 Ringcrg 20464 inv_rcinvr 20622 DivRingcdr 20985 LModclmod 21140 LSpanclspn 21251 LVecclvec 21382 LSAtomsclsa 40124 LFnlclfn 40207 LKerclk 40235 LDualcld 40273 HLchlt 40500 LHypclh 41134 DVecHcdvh 42228 ocHcoch 42497

This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-cnex 11259 ax-resscn 11260 ax-1cn 11261 ax-icn 11262 ax-addcl 11263 ax-addrcl 11264 ax-mulcl 11265 ax-mulrcl 11266 ax-mulcom 11267 ax-addass 11268 ax-mulass 11269 ax-distr 11270 ax-i2m1 11271 ax-1ne0 11272 ax-1rid 11273 ax-rnegex 11274 ax-rrecex 11275 ax-cnre 11276 ax-pre-lttri 11277 ax-pre-lttrn 11278 ax-pre-ltadd 11279 ax-pre-mulgt0 11280 ax-riotaBAD 40103

This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-iin 4953 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-of 7693 df-om 7878 df-1st 8001 df-2nd 8002 df-tpos 8246 df-undef 8293 df-frecs 8302 df-wrecs 8333 df-recs 8382 df-rdg 8421 df-1o 8479 df-2o 8480 df-er 8720 df-map 8852 df-en 8977 df-dom 8978 df-sdom 8979 df-fin 8980 df-pnf 11348 df-mnf 11349 df-xr 11350 df-ltxr 11351 df-le 11352 df-sub 11546 df-neg 11547 df-nn 12339 df-2 12408 df-3 12409 df-4 12410 df-5 12411 df-6 12412 df-n0 12610 df-z 12697 df-uz 12969 df-fz 13643 df-struct 17330 df-sets 17347 df-slot 17365 df-ndx 17377 df-base 17393 df-ress 17414 df-plusg 17446 df-mulr 17447 df-sca 17449 df-vsca 17450 df-0g 17617 df-mre 17761 df-mrc 17762 df-acs 17764 df-proset 18473 df-poset 18492 df-plt 18507 df-lub 18523 df-glb 18524 df-join 18525 df-meet 18526 df-p0 18602 df-p1 18603 df-lat 18611 df-clat 18678 df-mgm 18821 df-sgrp 18913 df-mnd 18929 df-submnd 18984 df-grp 19152 df-minusg 19153 df-sbg 19154 df-subg 19338 df-cntz 19536 df-oppg 19565 df-lsm 19855 df-cmn 20001 df-abl 20002 df-mgp 20366 df-rng 20380 df-ur 20413 df-ring 20466 df-oppr 20572 df-dvdsr 20592 df-unit 20593 df-invr 20623 df-dvr 20636 df-drng 20987 df-lmod 21142 df-lss 21212 df-lsp 21252 df-lvec 21383 df-lsatoms 40126 df-lshyp 40127 df-lcv 40169 df-lfl 40208 df-lkr 40236 df-ldual 40274 df-oposet 40326 df-ol 40328 df-oml 40329 df-covers 40416 df-ats 40417 df-atl 40448 df-cvlat 40472 df-hlat 40501 df-llines 40648 df-lplanes 40649 df-lvols 40650 df-lines 40651 df-psubsp 40653 df-pmap 40654 df-padd 40946 df-lhyp 41138 df-laut 41139 df-ldil 41254 df-ltrn 41255 df-trl 41309 df-tgrp 41893 df-tendo 41905 df-edring 41907 df-dveca 42153 df-disoa 42179 df-dvech 42229 df-dib 42289 df-dic 42323 df-dih 42379 df-doch 42498 df-djh 42545

This theorem is used by: lcfrlem34 42726

W3C validator