lcfrlem19 - Mathbox for Norm Megill

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Theorem lcfrlem19 41680

Description: Lemma for lcfr 41704. (Contributed by NM, 11-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}))

**Assertion**
Ref	Expression
lcfrlem19	⊢ (𝜑 → (¬ 𝑋 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}) ∨ ¬ 𝑌 ∈ ( ⊥ ‘{(𝑋 + 𝑌)})))

**Proof of Theorem lcfrlem19**
Step	Hyp	Ref	Expression
1		lcfrlem17.h	. . . 4 ⊢ 𝐻 = (LHyp‘𝐾)
2		lcfrlem17.o	. . . 4 ⊢ ⊥ = ((ocH‘𝐾)‘𝑊)
3		lcfrlem17.u	. . . 4 ⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
4		lcfrlem17.v	. . . 4 ⊢ 𝑉 = (Base‘𝑈)
5		lcfrlem17.z	. . . 4 ⊢ 0 = (0_g‘𝑈)
6		lcfrlem17.k	. . . 4 ⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
7		lcfrlem17.p	. . . . 5 ⊢ + = (+_g‘𝑈)
8		lcfrlem17.n	. . . . 5 ⊢ 𝑁 = (LSpan‘𝑈)
9		lcfrlem17.a	. . . . 5 ⊢ 𝐴 = (LSAtoms‘𝑈)
10		lcfrlem17.x	. . . . 5 ⊢ (𝜑 → 𝑋 ∈ (𝑉 ∖ { 0 }))
11		lcfrlem17.y	. . . . 5 ⊢ (𝜑 → 𝑌 ∈ (𝑉 ∖ { 0 }))
12		lcfrlem17.ne	. . . . 5 ⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑌}))
13	1, 2, 3, 4, 7, 5, 8, 9, 6, 10, 11, 12	lcfrlem17 41678	. . . 4 ⊢ (𝜑 → (𝑋 + 𝑌) ∈ (𝑉 ∖ { 0 }))
14	1, 2, 3, 4, 5, 6, 13	dochnel 41512	. . 3 ⊢ (𝜑 → ¬ (𝑋 + 𝑌) ∈ ( ⊥ ‘{(𝑋 + 𝑌)}))
15	1, 3, 6	dvhlmod 41229	. . . . 5 ⊢ (𝜑 → 𝑈 ∈ LMod)
16	15	adantr 480	. . . 4 ⊢ ((𝜑 ∧ (𝑋 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}) ∧ 𝑌 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}))) → 𝑈 ∈ LMod)
17	10	eldifad 3910	. . . . . . . 8 ⊢ (𝜑 → 𝑋 ∈ 𝑉)
18	11	eldifad 3910	. . . . . . . 8 ⊢ (𝜑 → 𝑌 ∈ 𝑉)
19	4, 7	lmodvacl 20810	. . . . . . . 8 ⊢ ((𝑈 ∈ LMod ∧ 𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → (𝑋 + 𝑌) ∈ 𝑉)
20	15, 17, 18, 19	syl3anc 1373	. . . . . . 7 ⊢ (𝜑 → (𝑋 + 𝑌) ∈ 𝑉)
21	20	snssd 4760	. . . . . 6 ⊢ (𝜑 → {(𝑋 + 𝑌)} ⊆ 𝑉)
22		eqid 2733	. . . . . . 7 ⊢ (LSubSp‘𝑈) = (LSubSp‘𝑈)
23	1, 3, 4, 22, 2	dochlss 41473	. . . . . 6 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ {(𝑋 + 𝑌)} ⊆ 𝑉) → ( ⊥ ‘{(𝑋 + 𝑌)}) ∈ (LSubSp‘𝑈))
24	6, 21, 23	syl2anc 584	. . . . 5 ⊢ (𝜑 → ( ⊥ ‘{(𝑋 + 𝑌)}) ∈ (LSubSp‘𝑈))
25	24	adantr 480	. . . 4 ⊢ ((𝜑 ∧ (𝑋 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}) ∧ 𝑌 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}))) → ( ⊥ ‘{(𝑋 + 𝑌)}) ∈ (LSubSp‘𝑈))
26		simpr 484	. . . 4 ⊢ ((𝜑 ∧ (𝑋 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}) ∧ 𝑌 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}))) → (𝑋 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}) ∧ 𝑌 ∈ ( ⊥ ‘{(𝑋 + 𝑌)})))
27	7, 22	lssvacl 20878	. . . 4 ⊢ (((𝑈 ∈ LMod ∧ ( ⊥ ‘{(𝑋 + 𝑌)}) ∈ (LSubSp‘𝑈)) ∧ (𝑋 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}) ∧ 𝑌 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}))) → (𝑋 + 𝑌) ∈ ( ⊥ ‘{(𝑋 + 𝑌)}))
28	16, 25, 26, 27	syl21anc 837	. . 3 ⊢ ((𝜑 ∧ (𝑋 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}) ∧ 𝑌 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}))) → (𝑋 + 𝑌) ∈ ( ⊥ ‘{(𝑋 + 𝑌)}))
29	14, 28	mtand 815	. 2 ⊢ (𝜑 → ¬ (𝑋 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}) ∧ 𝑌 ∈ ( ⊥ ‘{(𝑋 + 𝑌)})))
30		ianor 983	. 2 ⊢ (¬ (𝑋 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}) ∧ 𝑌 ∈ ( ⊥ ‘{(𝑋 + 𝑌)})) ↔ (¬ 𝑋 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}) ∨ ¬ 𝑌 ∈ ( ⊥ ‘{(𝑋 + 𝑌)})))
31	29, 30	sylib 218	1 ⊢ (𝜑 → (¬ 𝑋 ∈ ( ⊥ ‘{(𝑋 + 𝑌)}) ∨ ¬ 𝑌 ∈ ( ⊥ ‘{(𝑋 + 𝑌)})))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 ∨ wo 847 = wceq 1541 ∈ wcel 2113 ≠ wne 2929 ∖ cdif 3895 ⊆ wss 3898 {csn 4575 ‘cfv 6486 (class class class)co 7352 Basecbs 17122 +_gcplusg 17163 0_gc0g 17345 LModclmod 20795 LSubSpclss 20866 LSpanclspn 20906 LSAtomsclsa 39093 HLchlt 39469 LHypclh 40103 DVecHcdvh 41197 ocHcoch 41466

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2705 ax-rep 5219 ax-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 ax-cnex 11069 ax-resscn 11070 ax-1cn 11071 ax-icn 11072 ax-addcl 11073 ax-addrcl 11074 ax-mulcl 11075 ax-mulrcl 11076 ax-mulcom 11077 ax-addass 11078 ax-mulass 11079 ax-distr 11080 ax-i2m1 11081 ax-1ne0 11082 ax-1rid 11083 ax-rnegex 11084 ax-rrecex 11085 ax-cnre 11086 ax-pre-lttri 11087 ax-pre-lttrn 11088 ax-pre-ltadd 11089 ax-pre-mulgt0 11090 ax-riotaBAD 39072

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2725 df-clel 2808 df-nfc 2882 df-ne 2930 df-nel 3034 df-ral 3049 df-rex 3058 df-rmo 3347 df-reu 3348 df-rab 3397 df-v 3439 df-sbc 3738 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4283 df-if 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-tp 4580 df-op 4582 df-uni 4859 df-int 4898 df-iun 4943 df-iin 4944 df-br 5094 df-opab 5156 df-mpt 5175 df-tr 5201 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6253 df-ord 6314 df-on 6315 df-lim 6316 df-suc 6317 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7309 df-ov 7355 df-oprab 7356 df-mpo 7357 df-om 7803 df-1st 7927 df-2nd 7928 df-tpos 8162 df-undef 8209 df-frecs 8217 df-wrecs 8248 df-recs 8297 df-rdg 8335 df-1o 8391 df-er 8628 df-map 8758 df-en 8876 df-dom 8877 df-sdom 8878 df-fin 8879 df-pnf 11155 df-mnf 11156 df-xr 11157 df-ltxr 11158 df-le 11159 df-sub 11353 df-neg 11354 df-nn 12133 df-2 12195 df-3 12196 df-4 12197 df-5 12198 df-6 12199 df-n0 12389 df-z 12476 df-uz 12739 df-fz 13410 df-struct 17060 df-sets 17077 df-slot 17095 df-ndx 17107 df-base 17123 df-ress 17144 df-plusg 17176 df-mulr 17177 df-sca 17179 df-vsca 17180 df-0g 17347 df-proset 18202 df-poset 18221 df-plt 18236 df-lub 18252 df-glb 18253 df-join 18254 df-meet 18255 df-p0 18331 df-p1 18332 df-lat 18340 df-clat 18407 df-mgm 18550 df-sgrp 18629 df-mnd 18645 df-submnd 18694 df-grp 18851 df-minusg 18852 df-sbg 18853 df-subg 19038 df-cntz 19231 df-lsm 19550 df-cmn 19696 df-abl 19697 df-mgp 20061 df-rng 20073 df-ur 20102 df-ring 20155 df-oppr 20257 df-dvdsr 20277 df-unit 20278 df-invr 20308 df-dvr 20321 df-drng 20648 df-lmod 20797 df-lss 20867 df-lsp 20907 df-lvec 21039 df-lsatoms 39095 df-oposet 39295 df-ol 39297 df-oml 39298 df-covers 39385 df-ats 39386 df-atl 39417 df-cvlat 39441 df-hlat 39470 df-llines 39617 df-lplanes 39618 df-lvols 39619 df-lines 39620 df-psubsp 39622 df-pmap 39623 df-padd 39915 df-lhyp 40107 df-laut 40108 df-ldil 40223 df-ltrn 40224 df-trl 40278 df-tendo 40874 df-edring 40876 df-disoa 41148 df-dvech 41198 df-dib 41258 df-dic 41292 df-dih 41348 df-doch 41467

This theorem is referenced by: lcfrlem21 41682

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