dvhdimlem - Mathbox for Norm Megill

	Mathbox for Norm Megill		< Previous Next > Nearby theorems
Mirrors > Home > MPE Home > Th. List > Mathboxes > dvhdimlem		Structured version Visualization version GIF version

Theorem dvhdimlem 41423

Description: Lemma for dvh2dim 41424 and dvh3dim 41425. TODO: make this obsolete and use dvh4dimlem 41422 directly? (Contributed by NM, 24-Apr-2015.)

**Hypotheses**
Ref	Expression
dvh3dim.h	⊢ 𝐻 = (LHyp‘𝐾)
dvh3dim.u	⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
dvh3dim.v	⊢ 𝑉 = (Base‘𝑈)
dvh3dim.n	⊢ 𝑁 = (LSpan‘𝑈)
dvh3dim.k	⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
dvh3dim.x	⊢ (𝜑 → 𝑋 ∈ 𝑉)
dvhdim.y	⊢ (𝜑 → 𝑌 ∈ 𝑉)
dvhdim.o	⊢ 0 = (0_g‘𝑈)
dvhdim.x	⊢ (𝜑 → 𝑋 ≠ 0 )
dvhdimlem.y	⊢ (𝜑 → 𝑌 ≠ 0 )

**Assertion**
Ref	Expression
dvhdimlem	⊢ (𝜑 → ∃𝑧 ∈ 𝑉 ¬ 𝑧 ∈ (𝑁‘{𝑋, 𝑌}))

Distinct variable groups: 𝑧,𝑁 𝑧, 0 𝑧,𝑈 𝑧,𝑉 𝑧,𝑋 𝑧,𝑌 𝜑,𝑧 Allowed substitution hints: 𝐻(𝑧) 𝐾(𝑧) 𝑊(𝑧)

**Proof of Theorem dvhdimlem**
Step	Hyp	Ref	Expression
1		dvh3dim.h	. . 3 ⊢ 𝐻 = (LHyp‘𝐾)
2		dvh3dim.u	. . 3 ⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
3		dvh3dim.v	. . 3 ⊢ 𝑉 = (Base‘𝑈)
4		dvh3dim.n	. . 3 ⊢ 𝑁 = (LSpan‘𝑈)
5		dvh3dim.k	. . 3 ⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
6		dvh3dim.x	. . 3 ⊢ (𝜑 → 𝑋 ∈ 𝑉)
7		dvhdim.y	. . 3 ⊢ (𝜑 → 𝑌 ∈ 𝑉)
8		dvhdim.o	. . 3 ⊢ 0 = (0_g‘𝑈)
9		dvhdim.x	. . 3 ⊢ (𝜑 → 𝑋 ≠ 0 )
10		dvhdimlem.y	. . 3 ⊢ (𝜑 → 𝑌 ≠ 0 )
11	1, 2, 3, 4, 5, 6, 7, 7, 8, 9, 10, 10	dvh4dimlem 41422	. 2 ⊢ (𝜑 → ∃𝑧 ∈ 𝑉 ¬ 𝑧 ∈ (𝑁‘{𝑋, 𝑌, 𝑌}))
12	1, 2, 5	dvhlmod 41089	. . . . 5 ⊢ (𝜑 → 𝑈 ∈ LMod)
13		df-tp 4582	. . . . . 6 ⊢ {𝑋, 𝑌, 𝑌} = ({𝑋, 𝑌} ∪ {𝑌})
14		prssi 4772	. . . . . . . 8 ⊢ ((𝑋 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉) → {𝑋, 𝑌} ⊆ 𝑉)
15	6, 7, 14	syl2anc 584	. . . . . . 7 ⊢ (𝜑 → {𝑋, 𝑌} ⊆ 𝑉)
16	7	snssd 4760	. . . . . . 7 ⊢ (𝜑 → {𝑌} ⊆ 𝑉)
17	15, 16	unssd 4143	. . . . . 6 ⊢ (𝜑 → ({𝑋, 𝑌} ∪ {𝑌}) ⊆ 𝑉)
18	13, 17	eqsstrid 3974	. . . . 5 ⊢ (𝜑 → {𝑋, 𝑌, 𝑌} ⊆ 𝑉)
19		ssun1 4129	. . . . . . 7 ⊢ {𝑋, 𝑌} ⊆ ({𝑋, 𝑌} ∪ {𝑌})
20	19, 13	sseqtrri 3985	. . . . . 6 ⊢ {𝑋, 𝑌} ⊆ {𝑋, 𝑌, 𝑌}
21	20	a1i 11	. . . . 5 ⊢ (𝜑 → {𝑋, 𝑌} ⊆ {𝑋, 𝑌, 𝑌})
22	3, 4	lspss 20887	. . . . 5 ⊢ ((𝑈 ∈ LMod ∧ {𝑋, 𝑌, 𝑌} ⊆ 𝑉 ∧ {𝑋, 𝑌} ⊆ {𝑋, 𝑌, 𝑌}) → (𝑁‘{𝑋, 𝑌}) ⊆ (𝑁‘{𝑋, 𝑌, 𝑌}))
23	12, 18, 21, 22	syl3anc 1373	. . . 4 ⊢ (𝜑 → (𝑁‘{𝑋, 𝑌}) ⊆ (𝑁‘{𝑋, 𝑌, 𝑌}))
24	23	ssneld 3937	. . 3 ⊢ (𝜑 → (¬ 𝑧 ∈ (𝑁‘{𝑋, 𝑌, 𝑌}) → ¬ 𝑧 ∈ (𝑁‘{𝑋, 𝑌})))
25	24	reximdv 3144	. 2 ⊢ (𝜑 → (∃𝑧 ∈ 𝑉 ¬ 𝑧 ∈ (𝑁‘{𝑋, 𝑌, 𝑌}) → ∃𝑧 ∈ 𝑉 ¬ 𝑧 ∈ (𝑁‘{𝑋, 𝑌})))
26	11, 25	mpd 15	1 ⊢ (𝜑 → ∃𝑧 ∈ 𝑉 ¬ 𝑧 ∈ (𝑁‘{𝑋, 𝑌}))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2109 ≠ wne 2925 ∃wrex 3053 ∪ cun 3901 ⊆ wss 3903 {csn 4577 {cpr 4579 {ctp 4581 ‘cfv 6482 Basecbs 17120 0_gc0g 17343 LModclmod 20763 LSpanclspn 20874 HLchlt 39329 LHypclh 39963 DVecHcdvh 41057

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5218 ax-sep 5235 ax-nul 5245 ax-pow 5304 ax-pr 5371 ax-un 7671 ax-cnex 11065 ax-resscn 11066 ax-1cn 11067 ax-icn 11068 ax-addcl 11069 ax-addrcl 11070 ax-mulcl 11071 ax-mulrcl 11072 ax-mulcom 11073 ax-addass 11074 ax-mulass 11075 ax-distr 11076 ax-i2m1 11077 ax-1ne0 11078 ax-1rid 11079 ax-rnegex 11080 ax-rrecex 11081 ax-cnre 11082 ax-pre-lttri 11083 ax-pre-lttrn 11084 ax-pre-ltadd 11085 ax-pre-mulgt0 11086 ax-riotaBAD 38932

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3343 df-reu 3344 df-rab 3395 df-v 3438 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4285 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-tp 4582 df-op 4584 df-uni 4859 df-int 4897 df-iun 4943 df-iin 4944 df-br 5093 df-opab 5155 df-mpt 5174 df-tr 5200 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 6249 df-ord 6310 df-on 6311 df-lim 6312 df-suc 6313 df-iota 6438 df-fun 6484 df-fn 6485 df-f 6486 df-f1 6487 df-fo 6488 df-f1o 6489 df-fv 6490 df-riota 7306 df-ov 7352 df-oprab 7353 df-mpo 7354 df-om 7800 df-1st 7924 df-2nd 7925 df-tpos 8159 df-undef 8206 df-frecs 8214 df-wrecs 8245 df-recs 8294 df-rdg 8332 df-1o 8388 df-er 8625 df-map 8755 df-en 8873 df-dom 8874 df-sdom 8875 df-fin 8876 df-pnf 11151 df-mnf 11152 df-xr 11153 df-ltxr 11154 df-le 11155 df-sub 11349 df-neg 11350 df-nn 12129 df-2 12191 df-3 12192 df-4 12193 df-5 12194 df-6 12195 df-n0 12385 df-z 12472 df-uz 12736 df-fz 13411 df-struct 17058 df-sets 17075 df-slot 17093 df-ndx 17105 df-base 17121 df-ress 17142 df-plusg 17174 df-mulr 17175 df-sca 17177 df-vsca 17178 df-0g 17345 df-proset 18200 df-poset 18219 df-plt 18234 df-lub 18250 df-glb 18251 df-join 18252 df-meet 18253 df-p0 18329 df-p1 18330 df-lat 18338 df-clat 18405 df-mgm 18514 df-sgrp 18593 df-mnd 18609 df-submnd 18658 df-grp 18815 df-minusg 18816 df-sbg 18817 df-subg 19002 df-cntz 19196 df-lsm 19515 df-cmn 19661 df-abl 19662 df-mgp 20026 df-rng 20038 df-ur 20067 df-ring 20120 df-oppr 20222 df-dvdsr 20242 df-unit 20243 df-invr 20273 df-dvr 20286 df-drng 20616 df-lmod 20765 df-lss 20835 df-lsp 20875 df-lvec 21007 df-lsatoms 38955 df-oposet 39155 df-ol 39157 df-oml 39158 df-covers 39245 df-ats 39246 df-atl 39277 df-cvlat 39301 df-hlat 39330 df-llines 39477 df-lplanes 39478 df-lvols 39479 df-lines 39480 df-psubsp 39482 df-pmap 39483 df-padd 39775 df-lhyp 39967 df-laut 39968 df-ldil 40083 df-ltrn 40084 df-trl 40138 df-tgrp 40722 df-tendo 40734 df-edring 40736 df-dveca 40982 df-disoa 41008 df-dvech 41058 df-dib 41118 df-dic 41152 df-dih 41208 df-doch 41327 df-djh 41374

This theorem is referenced by: dvh2dim 41424 dvh3dim 41425

W3C validator