![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > lss0cl | Structured version Visualization version GIF version |
Description: The zero vector belongs to every subspace. (Contributed by NM, 12-Jan-2014.) (Proof shortened by Mario Carneiro, 19-Jun-2014.) |
Ref | Expression |
---|---|
lss0cl.z | ⊢ 0 = (0g‘𝑊) |
lss0cl.s | ⊢ 𝑆 = (LSubSp‘𝑊) |
Ref | Expression |
---|---|
lss0cl | ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆) → 0 ∈ 𝑈) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lss0cl.s | . . . . 5 ⊢ 𝑆 = (LSubSp‘𝑊) | |
2 | 1 | lssn0 20829 | . . . 4 ⊢ (𝑈 ∈ 𝑆 → 𝑈 ≠ ∅) |
3 | n0 4348 | . . . 4 ⊢ (𝑈 ≠ ∅ ↔ ∃𝑥 𝑥 ∈ 𝑈) | |
4 | 2, 3 | sylib 217 | . . 3 ⊢ (𝑈 ∈ 𝑆 → ∃𝑥 𝑥 ∈ 𝑈) |
5 | 4 | adantl 480 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆) → ∃𝑥 𝑥 ∈ 𝑈) |
6 | simp1 1133 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ 𝑥 ∈ 𝑈) → 𝑊 ∈ LMod) | |
7 | eqid 2727 | . . . . . . . 8 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
8 | 7, 1 | lssel 20826 | . . . . . . 7 ⊢ ((𝑈 ∈ 𝑆 ∧ 𝑥 ∈ 𝑈) → 𝑥 ∈ (Base‘𝑊)) |
9 | 8 | 3adant1 1127 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ 𝑥 ∈ 𝑈) → 𝑥 ∈ (Base‘𝑊)) |
10 | lss0cl.z | . . . . . . 7 ⊢ 0 = (0g‘𝑊) | |
11 | eqid 2727 | . . . . . . 7 ⊢ (-g‘𝑊) = (-g‘𝑊) | |
12 | 7, 10, 11 | lmodsubid 20810 | . . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑥 ∈ (Base‘𝑊)) → (𝑥(-g‘𝑊)𝑥) = 0 ) |
13 | 6, 9, 12 | syl2anc 582 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ 𝑥 ∈ 𝑈) → (𝑥(-g‘𝑊)𝑥) = 0 ) |
14 | 11, 1 | lssvsubcl 20833 | . . . . . . 7 ⊢ (((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆) ∧ (𝑥 ∈ 𝑈 ∧ 𝑥 ∈ 𝑈)) → (𝑥(-g‘𝑊)𝑥) ∈ 𝑈) |
15 | 14 | anabsan2 672 | . . . . . 6 ⊢ (((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆) ∧ 𝑥 ∈ 𝑈) → (𝑥(-g‘𝑊)𝑥) ∈ 𝑈) |
16 | 15 | 3impa 1107 | . . . . 5 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ 𝑥 ∈ 𝑈) → (𝑥(-g‘𝑊)𝑥) ∈ 𝑈) |
17 | 13, 16 | eqeltrrd 2829 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆 ∧ 𝑥 ∈ 𝑈) → 0 ∈ 𝑈) |
18 | 17 | 3expia 1118 | . . 3 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆) → (𝑥 ∈ 𝑈 → 0 ∈ 𝑈)) |
19 | 18 | exlimdv 1928 | . 2 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆) → (∃𝑥 𝑥 ∈ 𝑈 → 0 ∈ 𝑈)) |
20 | 5, 19 | mpd 15 | 1 ⊢ ((𝑊 ∈ LMod ∧ 𝑈 ∈ 𝑆) → 0 ∈ 𝑈) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 394 ∧ w3a 1084 = wceq 1533 ∃wex 1773 ∈ wcel 2098 ≠ wne 2936 ∅c0 4324 ‘cfv 6551 (class class class)co 7424 Basecbs 17185 0gc0g 17426 -gcsg 18897 LModclmod 20748 LSubSpclss 20820 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2698 ax-sep 5301 ax-nul 5308 ax-pow 5367 ax-pr 5431 ax-un 7744 ax-cnex 11200 ax-resscn 11201 ax-1cn 11202 ax-icn 11203 ax-addcl 11204 ax-addrcl 11205 ax-mulcl 11206 ax-mulrcl 11207 ax-mulcom 11208 ax-addass 11209 ax-mulass 11210 ax-distr 11211 ax-i2m1 11212 ax-1ne0 11213 ax-1rid 11214 ax-rnegex 11215 ax-rrecex 11216 ax-cnre 11217 ax-pre-lttri 11218 ax-pre-lttrn 11219 ax-pre-ltadd 11220 ax-pre-mulgt0 11221 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2529 df-eu 2558 df-clab 2705 df-cleq 2719 df-clel 2805 df-nfc 2880 df-ne 2937 df-nel 3043 df-ral 3058 df-rex 3067 df-rmo 3372 df-reu 3373 df-rab 3429 df-v 3473 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4325 df-if 4531 df-pw 4606 df-sn 4631 df-pr 4633 df-op 4637 df-uni 4911 df-iun 5000 df-br 5151 df-opab 5213 df-mpt 5234 df-tr 5268 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5635 df-we 5637 df-xp 5686 df-rel 5687 df-cnv 5688 df-co 5689 df-dm 5690 df-rn 5691 df-res 5692 df-ima 5693 df-pred 6308 df-ord 6375 df-on 6376 df-lim 6377 df-suc 6378 df-iota 6503 df-fun 6553 df-fn 6554 df-f 6555 df-f1 6556 df-fo 6557 df-f1o 6558 df-fv 6559 df-riota 7380 df-ov 7427 df-oprab 7428 df-mpo 7429 df-om 7875 df-1st 7997 df-2nd 7998 df-frecs 8291 df-wrecs 8322 df-recs 8396 df-rdg 8435 df-er 8729 df-en 8969 df-dom 8970 df-sdom 8971 df-pnf 11286 df-mnf 11287 df-xr 11288 df-ltxr 11289 df-le 11290 df-sub 11482 df-neg 11483 df-nn 12249 df-2 12311 df-sets 17138 df-slot 17156 df-ndx 17168 df-base 17186 df-plusg 17251 df-0g 17428 df-mgm 18605 df-sgrp 18684 df-mnd 18700 df-grp 18898 df-minusg 18899 df-sbg 18900 df-mgp 20080 df-ur 20127 df-ring 20180 df-lmod 20750 df-lss 20821 |
This theorem is referenced by: lss0ss 20838 lssvneln0 20841 lssssr 20843 lssvscl 20844 lssintcl 20853 lssvs0or 21003 lspsolvlem 21035 lidl0cl 21121 frlmgsum 21711 frlmsslsp 21735 0ellsp 33099 lssats 38488 dia2dimlem7 40547 dochfl1 40953 lcfr 41062 mapdval2N 41107 mapdrvallem2 41122 mapdpglem6 41155 mapdpglem12 41160 |
Copyright terms: Public domain | W3C validator |