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Mirrors > Home > MPE Home > Th. List > Mathboxes > dochexmidlem1 | Structured version Visualization version GIF version |
Description: Lemma for dochexmid 38764. Holland's proof implicitly requires 𝑞 ≠ 𝑟, which we prove here. (Contributed by NM, 14-Jan-2015.) |
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) |
dochexmidlem1.pp | ⊢ (𝜑 → 𝑝 ∈ 𝐴) |
dochexmidlem1.qq | ⊢ (𝜑 → 𝑞 ∈ 𝐴) |
dochexmidlem1.rr | ⊢ (𝜑 → 𝑟 ∈ 𝐴) |
dochexmidlem1.ql | ⊢ (𝜑 → 𝑞 ⊆ ( ⊥ ‘𝑋)) |
dochexmidlem1.rl | ⊢ (𝜑 → 𝑟 ⊆ 𝑋) |
Ref | Expression |
---|---|
dochexmidlem1 | ⊢ (𝜑 → 𝑞 ≠ 𝑟) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2798 | . . . . 5 ⊢ (0g‘𝑈) = (0g‘𝑈) | |
2 | dochexmidlem1.a | . . . . 5 ⊢ 𝐴 = (LSAtoms‘𝑈) | |
3 | dochexmidlem1.h | . . . . . 6 ⊢ 𝐻 = (LHyp‘𝐾) | |
4 | dochexmidlem1.u | . . . . . 6 ⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊) | |
5 | dochexmidlem1.k | . . . . . 6 ⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻)) | |
6 | 3, 4, 5 | dvhlmod 38406 | . . . . 5 ⊢ (𝜑 → 𝑈 ∈ LMod) |
7 | dochexmidlem1.rr | . . . . 5 ⊢ (𝜑 → 𝑟 ∈ 𝐴) | |
8 | 1, 2, 6, 7 | lsatn0 36295 | . . . 4 ⊢ (𝜑 → 𝑟 ≠ {(0g‘𝑈)}) |
9 | dochexmidlem1.s | . . . . . . 7 ⊢ 𝑆 = (LSubSp‘𝑈) | |
10 | 9, 2, 6, 7 | lsatlssel 36293 | . . . . . 6 ⊢ (𝜑 → 𝑟 ∈ 𝑆) |
11 | 1, 9 | lssle0 19714 | . . . . . 6 ⊢ ((𝑈 ∈ LMod ∧ 𝑟 ∈ 𝑆) → (𝑟 ⊆ {(0g‘𝑈)} ↔ 𝑟 = {(0g‘𝑈)})) |
12 | 6, 10, 11 | syl2anc 587 | . . . . 5 ⊢ (𝜑 → (𝑟 ⊆ {(0g‘𝑈)} ↔ 𝑟 = {(0g‘𝑈)})) |
13 | 12 | necon3bbid 3024 | . . . 4 ⊢ (𝜑 → (¬ 𝑟 ⊆ {(0g‘𝑈)} ↔ 𝑟 ≠ {(0g‘𝑈)})) |
14 | 8, 13 | mpbird 260 | . . 3 ⊢ (𝜑 → ¬ 𝑟 ⊆ {(0g‘𝑈)}) |
15 | dochexmidlem1.x | . . . . 5 ⊢ (𝜑 → 𝑋 ∈ 𝑆) | |
16 | dochexmidlem1.o | . . . . . 6 ⊢ ⊥ = ((ocH‘𝐾)‘𝑊) | |
17 | 3, 4, 9, 1, 16 | dochnoncon 38687 | . . . . 5 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ 𝑋 ∈ 𝑆) → (𝑋 ∩ ( ⊥ ‘𝑋)) = {(0g‘𝑈)}) |
18 | 5, 15, 17 | syl2anc 587 | . . . 4 ⊢ (𝜑 → (𝑋 ∩ ( ⊥ ‘𝑋)) = {(0g‘𝑈)}) |
19 | 18 | sseq2d 3947 | . . 3 ⊢ (𝜑 → (𝑟 ⊆ (𝑋 ∩ ( ⊥ ‘𝑋)) ↔ 𝑟 ⊆ {(0g‘𝑈)})) |
20 | 14, 19 | mtbird 328 | . 2 ⊢ (𝜑 → ¬ 𝑟 ⊆ (𝑋 ∩ ( ⊥ ‘𝑋))) |
21 | dochexmidlem1.ql | . . . . . 6 ⊢ (𝜑 → 𝑞 ⊆ ( ⊥ ‘𝑋)) | |
22 | sseq1 3940 | . . . . . 6 ⊢ (𝑞 = 𝑟 → (𝑞 ⊆ ( ⊥ ‘𝑋) ↔ 𝑟 ⊆ ( ⊥ ‘𝑋))) | |
23 | 21, 22 | syl5ibcom 248 | . . . . 5 ⊢ (𝜑 → (𝑞 = 𝑟 → 𝑟 ⊆ ( ⊥ ‘𝑋))) |
24 | dochexmidlem1.rl | . . . . 5 ⊢ (𝜑 → 𝑟 ⊆ 𝑋) | |
25 | 23, 24 | jctild 529 | . . . 4 ⊢ (𝜑 → (𝑞 = 𝑟 → (𝑟 ⊆ 𝑋 ∧ 𝑟 ⊆ ( ⊥ ‘𝑋)))) |
26 | ssin 4157 | . . . 4 ⊢ ((𝑟 ⊆ 𝑋 ∧ 𝑟 ⊆ ( ⊥ ‘𝑋)) ↔ 𝑟 ⊆ (𝑋 ∩ ( ⊥ ‘𝑋))) | |
27 | 25, 26 | syl6ib 254 | . . 3 ⊢ (𝜑 → (𝑞 = 𝑟 → 𝑟 ⊆ (𝑋 ∩ ( ⊥ ‘𝑋)))) |
28 | 27 | necon3bd 3001 | . 2 ⊢ (𝜑 → (¬ 𝑟 ⊆ (𝑋 ∩ ( ⊥ ‘𝑋)) → 𝑞 ≠ 𝑟)) |
29 | 20, 28 | mpd 15 | 1 ⊢ (𝜑 → 𝑞 ≠ 𝑟) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 209 ∧ wa 399 = wceq 1538 ∈ wcel 2111 ≠ wne 2987 ∩ cin 3880 ⊆ wss 3881 {csn 4525 ‘cfv 6324 Basecbs 16475 0gc0g 16705 LSSumclsm 18751 LModclmod 19627 LSubSpclss 19696 LSpanclspn 19736 LSAtomsclsa 36270 HLchlt 36646 LHypclh 37280 DVecHcdvh 38374 ocHcoch 38643 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 ax-riotaBAD 36249 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rmo 3114 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-int 4839 df-iun 4883 df-iin 4884 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-om 7561 df-1st 7671 df-2nd 7672 df-tpos 7875 df-undef 7922 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-1o 8085 df-oadd 8089 df-er 8272 df-map 8391 df-en 8493 df-dom 8494 df-sdom 8495 df-fin 8496 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-nn 11626 df-2 11688 df-3 11689 df-4 11690 df-5 11691 df-6 11692 df-n0 11886 df-z 11970 df-uz 12232 df-fz 12886 df-struct 16477 df-ndx 16478 df-slot 16479 df-base 16481 df-sets 16482 df-ress 16483 df-plusg 16570 df-mulr 16571 df-sca 16573 df-vsca 16574 df-0g 16707 df-proset 17530 df-poset 17548 df-plt 17560 df-lub 17576 df-glb 17577 df-join 17578 df-meet 17579 df-p0 17641 df-p1 17642 df-lat 17648 df-clat 17710 df-mgm 17844 df-sgrp 17893 df-mnd 17904 df-submnd 17949 df-grp 18098 df-minusg 18099 df-sbg 18100 df-subg 18268 df-cntz 18439 df-lsm 18753 df-cmn 18900 df-abl 18901 df-mgp 19233 df-ur 19245 df-ring 19292 df-oppr 19369 df-dvdsr 19387 df-unit 19388 df-invr 19418 df-dvr 19429 df-drng 19497 df-lmod 19629 df-lss 19697 df-lsp 19737 df-lvec 19868 df-lsatoms 36272 df-oposet 36472 df-ol 36474 df-oml 36475 df-covers 36562 df-ats 36563 df-atl 36594 df-cvlat 36618 df-hlat 36647 df-llines 36794 df-lplanes 36795 df-lvols 36796 df-lines 36797 df-psubsp 36799 df-pmap 36800 df-padd 37092 df-lhyp 37284 df-laut 37285 df-ldil 37400 df-ltrn 37401 df-trl 37455 df-tendo 38051 df-edring 38053 df-disoa 38325 df-dvech 38375 df-dib 38435 df-dic 38469 df-dih 38525 df-doch 38644 |
This theorem is referenced by: dochexmidlem3 38758 |
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