dochexmidlem4 - Mathbox for Norm Megill

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Theorem dochexmidlem4 41403

Description: Lemma for dochexmid 41408. (Contributed by NM, 15-Jan-2015.)

**Hypotheses**
Ref	Expression
dochexmidlem1.h	⊢ 𝐻 = (LHyp‘𝐾)
dochexmidlem1.o	⊢ ⊥ = ((ocH‘𝐾)‘𝑊)
dochexmidlem1.u	⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
dochexmidlem1.v	⊢ 𝑉 = (Base‘𝑈)
dochexmidlem1.s	⊢ 𝑆 = (LSubSp‘𝑈)
dochexmidlem1.n	⊢ 𝑁 = (LSpan‘𝑈)
dochexmidlem1.p	⊢ ⊕ = (LSSum‘𝑈)
dochexmidlem1.a	⊢ 𝐴 = (LSAtoms‘𝑈)
dochexmidlem1.k	⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
dochexmidlem1.x	⊢ (𝜑 → 𝑋 ∈ 𝑆)
dochexmidlem4.pp	⊢ (𝜑 → 𝑝 ∈ 𝐴)
dochexmidlem4.qq	⊢ (𝜑 → 𝑞 ∈ 𝐴)
dochexmidlem4.z	⊢ 0 = (0_g‘𝑈)
dochexmidlem4.m	⊢ 𝑀 = (𝑋 ⊕ 𝑝)
dochexmidlem4.xn	⊢ (𝜑 → 𝑋 ≠ { 0 })
dochexmidlem4.pl	⊢ (𝜑 → 𝑞 ⊆ (( ⊥ ‘𝑋) ∩ 𝑀))

**Assertion**
Ref	Expression
dochexmidlem4	⊢ (𝜑 → 𝑝 ⊆ (𝑋 ⊕ ( ⊥ ‘𝑋)))

Proof of Theorem dochexmidlem4 Dummy variable 𝑟 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		dochexmidlem4.z	. . 3 ⊢ 0 = (0_g‘𝑈)
2		dochexmidlem1.s	. . 3 ⊢ 𝑆 = (LSubSp‘𝑈)
3		dochexmidlem1.p	. . 3 ⊢ ⊕ = (LSSum‘𝑈)
4		dochexmidlem1.a	. . 3 ⊢ 𝐴 = (LSAtoms‘𝑈)
5		dochexmidlem1.h	. . . 4 ⊢ 𝐻 = (LHyp‘𝐾)
6		dochexmidlem1.u	. . . 4 ⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
7		dochexmidlem1.k	. . . 4 ⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
8	5, 6, 7	dvhlmod 41050	. . 3 ⊢ (𝜑 → 𝑈 ∈ LMod)
9		dochexmidlem1.x	. . 3 ⊢ (𝜑 → 𝑋 ∈ 𝑆)
10		dochexmidlem4.pp	. . . 4 ⊢ (𝜑 → 𝑝 ∈ 𝐴)
11	2, 4, 8, 10	lsatlssel 38936	. . 3 ⊢ (𝜑 → 𝑝 ∈ 𝑆)
12		dochexmidlem4.qq	. . 3 ⊢ (𝜑 → 𝑞 ∈ 𝐴)
13		dochexmidlem4.xn	. . 3 ⊢ (𝜑 → 𝑋 ≠ { 0 })
14		dochexmidlem4.pl	. . . . 5 ⊢ (𝜑 → 𝑞 ⊆ (( ⊥ ‘𝑋) ∩ 𝑀))
15		inss2 4211	. . . . 5 ⊢ (( ⊥ ‘𝑋) ∩ 𝑀) ⊆ 𝑀
16	14, 15	sstrdi 3969	. . . 4 ⊢ (𝜑 → 𝑞 ⊆ 𝑀)
17		dochexmidlem4.m	. . . 4 ⊢ 𝑀 = (𝑋 ⊕ 𝑝)
18	16, 17	sseqtrdi 3997	. . 3 ⊢ (𝜑 → 𝑞 ⊆ (𝑋 ⊕ 𝑝))
19	1, 2, 3, 4, 8, 9, 11, 12, 13, 18	lsmsat 38947	. 2 ⊢ (𝜑 → ∃𝑟 ∈ 𝐴 (𝑟 ⊆ 𝑋 ∧ 𝑞 ⊆ (𝑟 ⊕ 𝑝)))
20		dochexmidlem1.o	. . . 4 ⊢ ⊥ = ((ocH‘𝐾)‘𝑊)
21		dochexmidlem1.v	. . . 4 ⊢ 𝑉 = (Base‘𝑈)
22		dochexmidlem1.n	. . . 4 ⊢ 𝑁 = (LSpan‘𝑈)
23	7	3ad2ant1 1133	. . . 4 ⊢ ((𝜑 ∧ 𝑟 ∈ 𝐴 ∧ (𝑟 ⊆ 𝑋 ∧ 𝑞 ⊆ (𝑟 ⊕ 𝑝))) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
24	9	3ad2ant1 1133	. . . 4 ⊢ ((𝜑 ∧ 𝑟 ∈ 𝐴 ∧ (𝑟 ⊆ 𝑋 ∧ 𝑞 ⊆ (𝑟 ⊕ 𝑝))) → 𝑋 ∈ 𝑆)
25	10	3ad2ant1 1133	. . . 4 ⊢ ((𝜑 ∧ 𝑟 ∈ 𝐴 ∧ (𝑟 ⊆ 𝑋 ∧ 𝑞 ⊆ (𝑟 ⊕ 𝑝))) → 𝑝 ∈ 𝐴)
26	12	3ad2ant1 1133	. . . 4 ⊢ ((𝜑 ∧ 𝑟 ∈ 𝐴 ∧ (𝑟 ⊆ 𝑋 ∧ 𝑞 ⊆ (𝑟 ⊕ 𝑝))) → 𝑞 ∈ 𝐴)
27		simp2 1137	. . . 4 ⊢ ((𝜑 ∧ 𝑟 ∈ 𝐴 ∧ (𝑟 ⊆ 𝑋 ∧ 𝑞 ⊆ (𝑟 ⊕ 𝑝))) → 𝑟 ∈ 𝐴)
28		inss1 4210	. . . . . 6 ⊢ (( ⊥ ‘𝑋) ∩ 𝑀) ⊆ ( ⊥ ‘𝑋)
29	14, 28	sstrdi 3969	. . . . 5 ⊢ (𝜑 → 𝑞 ⊆ ( ⊥ ‘𝑋))
30	29	3ad2ant1 1133	. . . 4 ⊢ ((𝜑 ∧ 𝑟 ∈ 𝐴 ∧ (𝑟 ⊆ 𝑋 ∧ 𝑞 ⊆ (𝑟 ⊕ 𝑝))) → 𝑞 ⊆ ( ⊥ ‘𝑋))
31		simp3l 1201	. . . 4 ⊢ ((𝜑 ∧ 𝑟 ∈ 𝐴 ∧ (𝑟 ⊆ 𝑋 ∧ 𝑞 ⊆ (𝑟 ⊕ 𝑝))) → 𝑟 ⊆ 𝑋)
32		simp3r 1202	. . . 4 ⊢ ((𝜑 ∧ 𝑟 ∈ 𝐴 ∧ (𝑟 ⊆ 𝑋 ∧ 𝑞 ⊆ (𝑟 ⊕ 𝑝))) → 𝑞 ⊆ (𝑟 ⊕ 𝑝))
33	5, 20, 6, 21, 2, 22, 3, 4, 23, 24, 25, 26, 27, 30, 31, 32	dochexmidlem3 41402	. . 3 ⊢ ((𝜑 ∧ 𝑟 ∈ 𝐴 ∧ (𝑟 ⊆ 𝑋 ∧ 𝑞 ⊆ (𝑟 ⊕ 𝑝))) → 𝑝 ⊆ (𝑋 ⊕ ( ⊥ ‘𝑋)))
34	33	rexlimdv3a 3143	. 2 ⊢ (𝜑 → (∃𝑟 ∈ 𝐴 (𝑟 ⊆ 𝑋 ∧ 𝑞 ⊆ (𝑟 ⊕ 𝑝)) → 𝑝 ⊆ (𝑋 ⊕ ( ⊥ ‘𝑋))))
35	19, 34	mpd 15	1 ⊢ (𝜑 → 𝑝 ⊆ (𝑋 ⊕ ( ⊥ ‘𝑋)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1539 ∈ wcel 2107 ≠ wne 2931 ∃wrex 3059 ∩ cin 3923 ⊆ wss 3924 {csn 4599 ‘cfv 6527 (class class class)co 7399 Basecbs 17213 0_gc0g 17438 LSSumclsm 19600 LSubSpclss 20873 LSpanclspn 20913 LSAtomsclsa 38913 HLchlt 39289 LHypclh 39924 DVecHcdvh 41018 ocHcoch 41287

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2706 ax-rep 5246 ax-sep 5263 ax-nul 5273 ax-pow 5332 ax-pr 5399 ax-un 7723 ax-cnex 11177 ax-resscn 11178 ax-1cn 11179 ax-icn 11180 ax-addcl 11181 ax-addrcl 11182 ax-mulcl 11183 ax-mulrcl 11184 ax-mulcom 11185 ax-addass 11186 ax-mulass 11187 ax-distr 11188 ax-i2m1 11189 ax-1ne0 11190 ax-1rid 11191 ax-rnegex 11192 ax-rrecex 11193 ax-cnre 11194 ax-pre-lttri 11195 ax-pre-lttrn 11196 ax-pre-ltadd 11197 ax-pre-mulgt0 11198 ax-riotaBAD 38892

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2538 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2808 df-nfc 2884 df-ne 2932 df-nel 3036 df-ral 3051 df-rex 3060 df-rmo 3357 df-reu 3358 df-rab 3414 df-v 3459 df-sbc 3764 df-csb 3873 df-dif 3927 df-un 3929 df-in 3931 df-ss 3941 df-pss 3944 df-nul 4307 df-if 4499 df-pw 4575 df-sn 4600 df-pr 4602 df-tp 4604 df-op 4606 df-uni 4881 df-int 4920 df-iun 4966 df-iin 4967 df-br 5117 df-opab 5179 df-mpt 5199 df-tr 5227 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6287 df-ord 6352 df-on 6353 df-lim 6354 df-suc 6355 df-iota 6480 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-riota 7356 df-ov 7402 df-oprab 7403 df-mpo 7404 df-om 7856 df-1st 7982 df-2nd 7983 df-tpos 8219 df-undef 8266 df-frecs 8274 df-wrecs 8305 df-recs 8379 df-rdg 8418 df-1o 8474 df-2o 8475 df-er 8713 df-map 8836 df-en 8954 df-dom 8955 df-sdom 8956 df-fin 8957 df-pnf 11263 df-mnf 11264 df-xr 11265 df-ltxr 11266 df-le 11267 df-sub 11460 df-neg 11461 df-nn 12233 df-2 12295 df-3 12296 df-4 12297 df-5 12298 df-6 12299 df-n0 12494 df-z 12581 df-uz 12845 df-fz 13514 df-struct 17151 df-sets 17168 df-slot 17186 df-ndx 17198 df-base 17214 df-ress 17237 df-plusg 17269 df-mulr 17270 df-sca 17272 df-vsca 17273 df-0g 17440 df-mre 17583 df-mrc 17584 df-acs 17586 df-proset 18291 df-poset 18310 df-plt 18325 df-lub 18341 df-glb 18342 df-join 18343 df-meet 18344 df-p0 18420 df-p1 18421 df-lat 18427 df-clat 18494 df-mgm 18603 df-sgrp 18682 df-mnd 18698 df-submnd 18747 df-grp 18904 df-minusg 18905 df-sbg 18906 df-subg 19091 df-cntz 19285 df-oppg 19314 df-lsm 19602 df-cmn 19748 df-abl 19749 df-mgp 20086 df-rng 20098 df-ur 20127 df-ring 20180 df-oppr 20282 df-dvdsr 20302 df-unit 20303 df-invr 20333 df-dvr 20346 df-drng 20676 df-lmod 20804 df-lss 20874 df-lsp 20914 df-lvec 21046 df-lsatoms 38915 df-lcv 38958 df-oposet 39115 df-ol 39117 df-oml 39118 df-covers 39205 df-ats 39206 df-atl 39237 df-cvlat 39261 df-hlat 39290 df-llines 39438 df-lplanes 39439 df-lvols 39440 df-lines 39441 df-psubsp 39443 df-pmap 39444 df-padd 39736 df-lhyp 39928 df-laut 39929 df-ldil 40044 df-ltrn 40045 df-trl 40099 df-tendo 40695 df-edring 40697 df-disoa 40969 df-dvech 41019 df-dib 41079 df-dic 41113 df-dih 41169 df-doch 41288

This theorem is referenced by: dochexmidlem5 41404

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