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Mirrors > Home > MPE Home > Th. List > lmod0vs | Structured version Visualization version GIF version |
Description: Zero times a vector is the zero vector. Equation 1a of [Kreyszig] p. 51. (ax-hvmul0 29372 analog.) (Contributed by NM, 12-Jan-2014.) (Revised by Mario Carneiro, 19-Jun-2014.) |
Ref | Expression |
---|---|
lmod0vs.v | ⊢ 𝑉 = (Base‘𝑊) |
lmod0vs.f | ⊢ 𝐹 = (Scalar‘𝑊) |
lmod0vs.s | ⊢ · = ( ·𝑠 ‘𝑊) |
lmod0vs.o | ⊢ 𝑂 = (0g‘𝐹) |
lmod0vs.z | ⊢ 0 = (0g‘𝑊) |
Ref | Expression |
---|---|
lmod0vs | ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → (𝑂 · 𝑋) = 0 ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl 483 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → 𝑊 ∈ LMod) | |
2 | lmod0vs.f | . . . . . . . 8 ⊢ 𝐹 = (Scalar‘𝑊) | |
3 | 2 | lmodring 20131 | . . . . . . 7 ⊢ (𝑊 ∈ LMod → 𝐹 ∈ Ring) |
4 | 3 | adantr 481 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → 𝐹 ∈ Ring) |
5 | eqid 2738 | . . . . . . 7 ⊢ (Base‘𝐹) = (Base‘𝐹) | |
6 | lmod0vs.o | . . . . . . 7 ⊢ 𝑂 = (0g‘𝐹) | |
7 | 5, 6 | ring0cl 19808 | . . . . . 6 ⊢ (𝐹 ∈ Ring → 𝑂 ∈ (Base‘𝐹)) |
8 | 4, 7 | syl 17 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → 𝑂 ∈ (Base‘𝐹)) |
9 | simpr 485 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → 𝑋 ∈ 𝑉) | |
10 | lmod0vs.v | . . . . . 6 ⊢ 𝑉 = (Base‘𝑊) | |
11 | eqid 2738 | . . . . . 6 ⊢ (+g‘𝑊) = (+g‘𝑊) | |
12 | lmod0vs.s | . . . . . 6 ⊢ · = ( ·𝑠 ‘𝑊) | |
13 | eqid 2738 | . . . . . 6 ⊢ (+g‘𝐹) = (+g‘𝐹) | |
14 | 10, 11, 2, 12, 5, 13 | lmodvsdir 20147 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ (𝑂 ∈ (Base‘𝐹) ∧ 𝑂 ∈ (Base‘𝐹) ∧ 𝑋 ∈ 𝑉)) → ((𝑂(+g‘𝐹)𝑂) · 𝑋) = ((𝑂 · 𝑋)(+g‘𝑊)(𝑂 · 𝑋))) |
15 | 1, 8, 8, 9, 14 | syl13anc 1371 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → ((𝑂(+g‘𝐹)𝑂) · 𝑋) = ((𝑂 · 𝑋)(+g‘𝑊)(𝑂 · 𝑋))) |
16 | ringgrp 19788 | . . . . . . 7 ⊢ (𝐹 ∈ Ring → 𝐹 ∈ Grp) | |
17 | 4, 16 | syl 17 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → 𝐹 ∈ Grp) |
18 | 5, 13, 6 | grplid 18609 | . . . . . 6 ⊢ ((𝐹 ∈ Grp ∧ 𝑂 ∈ (Base‘𝐹)) → (𝑂(+g‘𝐹)𝑂) = 𝑂) |
19 | 17, 8, 18 | syl2anc 584 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → (𝑂(+g‘𝐹)𝑂) = 𝑂) |
20 | 19 | oveq1d 7290 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → ((𝑂(+g‘𝐹)𝑂) · 𝑋) = (𝑂 · 𝑋)) |
21 | 15, 20 | eqtr3d 2780 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → ((𝑂 · 𝑋)(+g‘𝑊)(𝑂 · 𝑋)) = (𝑂 · 𝑋)) |
22 | 10, 2, 12, 5 | lmodvscl 20140 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑂 ∈ (Base‘𝐹) ∧ 𝑋 ∈ 𝑉) → (𝑂 · 𝑋) ∈ 𝑉) |
23 | 1, 8, 9, 22 | syl3anc 1370 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → (𝑂 · 𝑋) ∈ 𝑉) |
24 | lmod0vs.z | . . . . 5 ⊢ 0 = (0g‘𝑊) | |
25 | 10, 11, 24 | lmod0vid 20155 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ (𝑂 · 𝑋) ∈ 𝑉) → (((𝑂 · 𝑋)(+g‘𝑊)(𝑂 · 𝑋)) = (𝑂 · 𝑋) ↔ 0 = (𝑂 · 𝑋))) |
26 | 23, 25 | syldan 591 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → (((𝑂 · 𝑋)(+g‘𝑊)(𝑂 · 𝑋)) = (𝑂 · 𝑋) ↔ 0 = (𝑂 · 𝑋))) |
27 | 21, 26 | mpbid 231 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → 0 = (𝑂 · 𝑋)) |
28 | 27 | eqcomd 2744 | 1 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ 𝑉) → (𝑂 · 𝑋) = 0 ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1539 ∈ wcel 2106 ‘cfv 6433 (class class class)co 7275 Basecbs 16912 +gcplusg 16962 Scalarcsca 16965 ·𝑠 cvsca 16966 0gc0g 17150 Grpcgrp 18577 Ringcrg 19783 LModclmod 20123 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pr 5352 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-iota 6391 df-fun 6435 df-fv 6441 df-riota 7232 df-ov 7278 df-0g 17152 df-mgm 18326 df-sgrp 18375 df-mnd 18386 df-grp 18580 df-ring 19785 df-lmod 20125 |
This theorem is referenced by: lmodvs0 20157 lmodvsmmulgdi 20158 lcomfsupp 20163 lmodvneg1 20166 mptscmfsupp0 20188 lvecvs0or 20370 lssvs0or 20372 lspsneleq 20377 lspdisj 20387 lspfixed 20390 lspexch 20391 lspsolvlem 20404 lspsolv 20405 uvcresum 21000 frlmsslsp 21003 frlmup1 21005 frlmup2 21006 ascl0 21088 mplcoe1 21238 mplbas2 21243 ply10s0 21427 ply1scl0 21461 gsummoncoe1 21475 pmatcollpwscmatlem1 21938 idpm2idmp 21950 mp2pm2mplem4 21958 pm2mpmhmlem1 21967 monmat2matmon 21973 cpmidpmatlem3 22021 clm0vs 24258 plypf1 25373 lmodslmd 31457 lbsdiflsp0 31707 fedgmullem2 31711 lshpkrlem1 37124 ldual0vs 37174 lclkrlem1 39520 lcd0vs 39629 baerlem3lem1 39721 baerlem5blem1 39723 hdmap14lem2a 39881 hdmap14lem4a 39885 hdmap14lem6 39887 hgmapval0 39906 prjspersym 40446 prjspreln0 40448 prjspner1 40463 lmod0rng 45426 scmsuppss 45708 lmodvsmdi 45718 ply1mulgsumlem4 45730 lincval1 45760 lincvalsc0 45762 linc0scn0 45764 linc1 45766 ldepsprlem 45813 |
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