lcfrlem28 - Mathbox for Norm Megill

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Theorem lcfrlem28 42027

Description: Lemma for lcfr 42042. TODO: This can be a hypothesis since the zero version of (𝐽‘𝑌)‘𝐼 needs it. (Contributed by NM, 9-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)

**Assertion**
Ref	Expression
lcfrlem28	⊢ (𝜑 → 𝐼 ≠ 0 )

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) 𝐷(𝑥,𝑤,𝑣,𝑘) 𝑄(𝑥,𝑤,𝑣,𝑘) 𝑅(𝑤) 𝑆(𝑥,𝑤,𝑣) 𝑈(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) 𝑁(𝑥,𝑤,𝑣,𝑘) 𝑉(𝑤,𝑘) 𝑊(𝑥,𝑤,𝑣,𝑘) 0 (𝑤,𝑣,𝑘)

**Proof of Theorem lcfrlem28**
Step	Hyp	Ref	Expression
1		lcfrlem28.jn	. 2 ⊢ (𝜑 → ((𝐽‘𝑌)‘𝐼) ≠ 𝑄)
2		lcfrlem17.h	. . . . . 6 ⊢ 𝐻 = (LHyp‘𝐾)
3		lcfrlem17.u	. . . . . 6 ⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
4		lcfrlem17.k	. . . . . 6 ⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
5	2, 3, 4	dvhlmod 41567	. . . . 5 ⊢ (𝜑 → 𝑈 ∈ LMod)
6		lcfrlem17.o	. . . . . 6 ⊢ ⊥ = ((ocH‘𝐾)‘𝑊)
7		lcfrlem17.v	. . . . . 6 ⊢ 𝑉 = (Base‘𝑈)
8		lcfrlem17.p	. . . . . 6 ⊢ + = (+_g‘𝑈)
9		lcfrlem24.t	. . . . . 6 ⊢ · = ( ·_𝑠 ‘𝑈)
10		lcfrlem24.s	. . . . . 6 ⊢ 𝑆 = (Scalar‘𝑈)
11		lcfrlem24.r	. . . . . 6 ⊢ 𝑅 = (Base‘𝑆)
12		lcfrlem17.z	. . . . . 6 ⊢ 0 = (0_g‘𝑈)
13		eqid 2737	. . . . . 6 ⊢ (LFnl‘𝑈) = (LFnl‘𝑈)
14		lcfrlem24.l	. . . . . 6 ⊢ 𝐿 = (LKer‘𝑈)
15		lcfrlem25.d	. . . . . 6 ⊢ 𝐷 = (LDual‘𝑈)
16		eqid 2737	. . . . . 6 ⊢ (0_g‘𝐷) = (0_g‘𝐷)
17		eqid 2737	. . . . . 6 ⊢ {𝑓 ∈ (LFnl‘𝑈) ∣ ( ⊥ ‘( ⊥ ‘(𝐿‘𝑓))) = (𝐿‘𝑓)} = {𝑓 ∈ (LFnl‘𝑈) ∣ ( ⊥ ‘( ⊥ ‘(𝐿‘𝑓))) = (𝐿‘𝑓)}
18		lcfrlem24.j	. . . . . 6 ⊢ 𝐽 = (𝑥 ∈ (𝑉 ∖ { 0 }) ↦ (𝑣 ∈ 𝑉 ↦ (℩𝑘 ∈ 𝑅 ∃𝑤 ∈ ( ⊥ ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))))
19		lcfrlem17.y	. . . . . 6 ⊢ (𝜑 → 𝑌 ∈ (𝑉 ∖ { 0 }))
20	2, 6, 3, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 4, 19	lcfrlem10 42009	. . . . 5 ⊢ (𝜑 → (𝐽‘𝑌) ∈ (LFnl‘𝑈))
21		lcfrlem24.q	. . . . . 6 ⊢ 𝑄 = (0_g‘𝑆)
22	10, 21, 12, 13	lfl0 39522	. . . . 5 ⊢ ((𝑈 ∈ LMod ∧ (𝐽‘𝑌) ∈ (LFnl‘𝑈)) → ((𝐽‘𝑌)‘ 0 ) = 𝑄)
23	5, 20, 22	syl2anc 585	. . . 4 ⊢ (𝜑 → ((𝐽‘𝑌)‘ 0 ) = 𝑄)
24		fveqeq2 6841	. . . 4 ⊢ (𝐼 = 0 → (((𝐽‘𝑌)‘𝐼) = 𝑄 ↔ ((𝐽‘𝑌)‘ 0 ) = 𝑄))
25	23, 24	syl5ibrcom 247	. . 3 ⊢ (𝜑 → (𝐼 = 0 → ((𝐽‘𝑌)‘𝐼) = 𝑄))
26	25	necon3d 2954	. 2 ⊢ (𝜑 → (((𝐽‘𝑌)‘𝐼) ≠ 𝑄 → 𝐼 ≠ 0 ))
27	1, 26	mpd 15	1 ⊢ (𝜑 → 𝐼 ≠ 0 )

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 ∃wrex 3062 {crab 3390 ∖ cdif 3887 ∩ cin 3889 {csn 4568 {cpr 4570 ↦ cmpt 5167 ‘cfv 6490 ℩crio 7314 (class class class)co 7358 Basecbs 17168 +_gcplusg 17209 Scalarcsca 17212 ·_𝑠 cvsca 17213 0_gc0g 17391 LModclmod 20844 LSpanclspn 20955 LSAtomsclsa 39431 LFnlclfn 39514 LKerclk 39542 LDualcld 39580 HLchlt 39807 LHypclh 40441 DVecHcdvh 41535 ocHcoch 41804

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 5212 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 ax-riotaBAD 39410

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 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-iin 4937 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-tpos 8167 df-undef 8214 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-1o 8396 df-er 8634 df-map 8766 df-en 8885 df-dom 8886 df-sdom 8887 df-fin 8888 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-nn 12164 df-2 12233 df-3 12234 df-4 12235 df-5 12236 df-6 12237 df-n0 12427 df-z 12514 df-uz 12778 df-fz 13451 df-struct 17106 df-sets 17123 df-slot 17141 df-ndx 17153 df-base 17169 df-ress 17190 df-plusg 17222 df-mulr 17223 df-sca 17225 df-vsca 17226 df-0g 17393 df-proset 18249 df-poset 18268 df-plt 18283 df-lub 18299 df-glb 18300 df-join 18301 df-meet 18302 df-p0 18378 df-p1 18379 df-lat 18387 df-clat 18454 df-mgm 18597 df-sgrp 18676 df-mnd 18692 df-submnd 18741 df-grp 18901 df-minusg 18902 df-sbg 18903 df-subg 19088 df-cntz 19281 df-lsm 19600 df-cmn 19746 df-abl 19747 df-mgp 20111 df-rng 20123 df-ur 20152 df-ring 20205 df-oppr 20306 df-dvdsr 20326 df-unit 20327 df-invr 20357 df-dvr 20370 df-drng 20697 df-lmod 20846 df-lss 20916 df-lsp 20956 df-lvec 21088 df-lsatoms 39433 df-lshyp 39434 df-lfl 39515 df-oposet 39633 df-ol 39635 df-oml 39636 df-covers 39723 df-ats 39724 df-atl 39755 df-cvlat 39779 df-hlat 39808 df-llines 39955 df-lplanes 39956 df-lvols 39957 df-lines 39958 df-psubsp 39960 df-pmap 39961 df-padd 40253 df-lhyp 40445 df-laut 40446 df-ldil 40561 df-ltrn 40562 df-trl 40616 df-tgrp 41200 df-tendo 41212 df-edring 41214 df-dveca 41460 df-disoa 41486 df-dvech 41536 df-dib 41596 df-dic 41630 df-dih 41686 df-doch 41805 df-djh 41852

This theorem is referenced by: lcfrlem35 42034

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