Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > islinds4 | Structured version Visualization version GIF version |
Description: A set is independent in a vector space iff it is a subset of some basis. This is an axiom of choice equivalent. (Contributed by Stefan O'Rear, 24-Feb-2015.) |
Ref | Expression |
---|---|
islinds4.j | ⊢ 𝐽 = (LBasis‘𝑊) |
Ref | Expression |
---|---|
islinds4 | ⊢ (𝑊 ∈ LVec → (𝑌 ∈ (LIndS‘𝑊) ↔ ∃𝑏 ∈ 𝐽 𝑌 ⊆ 𝑏)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl 483 | . . . 4 ⊢ ((𝑊 ∈ LVec ∧ 𝑌 ∈ (LIndS‘𝑊)) → 𝑊 ∈ LVec) | |
2 | eqid 2738 | . . . . . 6 ⊢ (Base‘𝑊) = (Base‘𝑊) | |
3 | 2 | linds1 21017 | . . . . 5 ⊢ (𝑌 ∈ (LIndS‘𝑊) → 𝑌 ⊆ (Base‘𝑊)) |
4 | 3 | adantl 482 | . . . 4 ⊢ ((𝑊 ∈ LVec ∧ 𝑌 ∈ (LIndS‘𝑊)) → 𝑌 ⊆ (Base‘𝑊)) |
5 | lveclmod 20368 | . . . . . . 7 ⊢ (𝑊 ∈ LVec → 𝑊 ∈ LMod) | |
6 | 5 | ad2antrr 723 | . . . . . 6 ⊢ (((𝑊 ∈ LVec ∧ 𝑌 ∈ (LIndS‘𝑊)) ∧ 𝑥 ∈ 𝑌) → 𝑊 ∈ LMod) |
7 | eqid 2738 | . . . . . . . . 9 ⊢ (Scalar‘𝑊) = (Scalar‘𝑊) | |
8 | 7 | lvecdrng 20367 | . . . . . . . 8 ⊢ (𝑊 ∈ LVec → (Scalar‘𝑊) ∈ DivRing) |
9 | drngnzr 20533 | . . . . . . . 8 ⊢ ((Scalar‘𝑊) ∈ DivRing → (Scalar‘𝑊) ∈ NzRing) | |
10 | 8, 9 | syl 17 | . . . . . . 7 ⊢ (𝑊 ∈ LVec → (Scalar‘𝑊) ∈ NzRing) |
11 | 10 | ad2antrr 723 | . . . . . 6 ⊢ (((𝑊 ∈ LVec ∧ 𝑌 ∈ (LIndS‘𝑊)) ∧ 𝑥 ∈ 𝑌) → (Scalar‘𝑊) ∈ NzRing) |
12 | simplr 766 | . . . . . 6 ⊢ (((𝑊 ∈ LVec ∧ 𝑌 ∈ (LIndS‘𝑊)) ∧ 𝑥 ∈ 𝑌) → 𝑌 ∈ (LIndS‘𝑊)) | |
13 | simpr 485 | . . . . . 6 ⊢ (((𝑊 ∈ LVec ∧ 𝑌 ∈ (LIndS‘𝑊)) ∧ 𝑥 ∈ 𝑌) → 𝑥 ∈ 𝑌) | |
14 | eqid 2738 | . . . . . . 7 ⊢ (LSpan‘𝑊) = (LSpan‘𝑊) | |
15 | 14, 7 | lindsind2 21026 | . . . . . 6 ⊢ (((𝑊 ∈ LMod ∧ (Scalar‘𝑊) ∈ NzRing) ∧ 𝑌 ∈ (LIndS‘𝑊) ∧ 𝑥 ∈ 𝑌) → ¬ 𝑥 ∈ ((LSpan‘𝑊)‘(𝑌 ∖ {𝑥}))) |
16 | 6, 11, 12, 13, 15 | syl211anc 1375 | . . . . 5 ⊢ (((𝑊 ∈ LVec ∧ 𝑌 ∈ (LIndS‘𝑊)) ∧ 𝑥 ∈ 𝑌) → ¬ 𝑥 ∈ ((LSpan‘𝑊)‘(𝑌 ∖ {𝑥}))) |
17 | 16 | ralrimiva 3103 | . . . 4 ⊢ ((𝑊 ∈ LVec ∧ 𝑌 ∈ (LIndS‘𝑊)) → ∀𝑥 ∈ 𝑌 ¬ 𝑥 ∈ ((LSpan‘𝑊)‘(𝑌 ∖ {𝑥}))) |
18 | islinds4.j | . . . . 5 ⊢ 𝐽 = (LBasis‘𝑊) | |
19 | 18, 2, 14 | lbsext 20425 | . . . 4 ⊢ ((𝑊 ∈ LVec ∧ 𝑌 ⊆ (Base‘𝑊) ∧ ∀𝑥 ∈ 𝑌 ¬ 𝑥 ∈ ((LSpan‘𝑊)‘(𝑌 ∖ {𝑥}))) → ∃𝑏 ∈ 𝐽 𝑌 ⊆ 𝑏) |
20 | 1, 4, 17, 19 | syl3anc 1370 | . . 3 ⊢ ((𝑊 ∈ LVec ∧ 𝑌 ∈ (LIndS‘𝑊)) → ∃𝑏 ∈ 𝐽 𝑌 ⊆ 𝑏) |
21 | 20 | ex 413 | . 2 ⊢ (𝑊 ∈ LVec → (𝑌 ∈ (LIndS‘𝑊) → ∃𝑏 ∈ 𝐽 𝑌 ⊆ 𝑏)) |
22 | 5 | ad2antrr 723 | . . . 4 ⊢ (((𝑊 ∈ LVec ∧ 𝑏 ∈ 𝐽) ∧ 𝑌 ⊆ 𝑏) → 𝑊 ∈ LMod) |
23 | 18 | lbslinds 21040 | . . . . . 6 ⊢ 𝐽 ⊆ (LIndS‘𝑊) |
24 | 23 | sseli 3917 | . . . . 5 ⊢ (𝑏 ∈ 𝐽 → 𝑏 ∈ (LIndS‘𝑊)) |
25 | 24 | ad2antlr 724 | . . . 4 ⊢ (((𝑊 ∈ LVec ∧ 𝑏 ∈ 𝐽) ∧ 𝑌 ⊆ 𝑏) → 𝑏 ∈ (LIndS‘𝑊)) |
26 | simpr 485 | . . . 4 ⊢ (((𝑊 ∈ LVec ∧ 𝑏 ∈ 𝐽) ∧ 𝑌 ⊆ 𝑏) → 𝑌 ⊆ 𝑏) | |
27 | lindsss 21031 | . . . 4 ⊢ ((𝑊 ∈ LMod ∧ 𝑏 ∈ (LIndS‘𝑊) ∧ 𝑌 ⊆ 𝑏) → 𝑌 ∈ (LIndS‘𝑊)) | |
28 | 22, 25, 26, 27 | syl3anc 1370 | . . 3 ⊢ (((𝑊 ∈ LVec ∧ 𝑏 ∈ 𝐽) ∧ 𝑌 ⊆ 𝑏) → 𝑌 ∈ (LIndS‘𝑊)) |
29 | 28 | rexlimdva2 3216 | . 2 ⊢ (𝑊 ∈ LVec → (∃𝑏 ∈ 𝐽 𝑌 ⊆ 𝑏 → 𝑌 ∈ (LIndS‘𝑊))) |
30 | 21, 29 | impbid 211 | 1 ⊢ (𝑊 ∈ LVec → (𝑌 ∈ (LIndS‘𝑊) ↔ ∃𝑏 ∈ 𝐽 𝑌 ⊆ 𝑏)) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1539 ∈ wcel 2106 ∀wral 3064 ∃wrex 3065 ∖ cdif 3884 ⊆ wss 3887 {csn 4561 ‘cfv 6433 Basecbs 16912 Scalarcsca 16965 DivRingcdr 19991 LModclmod 20123 LSpanclspn 20233 LBasisclbs 20336 LVecclvec 20364 NzRingcnzr 20528 LIndSclinds 21012 |
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-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-ac2 10219 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 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-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-se 5545 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-isom 6442 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-rpss 7576 df-om 7713 df-1st 7831 df-2nd 7832 df-tpos 8042 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-oadd 8301 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-dju 9659 df-card 9697 df-ac 9872 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-nn 11974 df-2 12036 df-3 12037 df-sets 16865 df-slot 16883 df-ndx 16895 df-base 16913 df-ress 16942 df-plusg 16975 df-mulr 16976 df-0g 17152 df-mgm 18326 df-sgrp 18375 df-mnd 18386 df-grp 18580 df-minusg 18581 df-sbg 18582 df-cmn 19388 df-abl 19389 df-mgp 19721 df-ur 19738 df-ring 19785 df-oppr 19862 df-dvdsr 19883 df-unit 19884 df-invr 19914 df-drng 19993 df-lmod 20125 df-lss 20194 df-lsp 20234 df-lbs 20337 df-lvec 20365 df-nzr 20529 df-lindf 21013 df-linds 21014 |
This theorem is referenced by: lssdimle 31691 dimkerim 31708 |
Copyright terms: Public domain | W3C validator |