Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > lbsextg | Structured version Visualization version GIF version |
Description: For any linearly independent subset 𝐶 of 𝑉, there is a basis containing the vectors in 𝐶. (Contributed by Mario Carneiro, 17-May-2015.) |
Ref | Expression |
---|---|
lbsex.j | ⊢ 𝐽 = (LBasis‘𝑊) |
lbsex.v | ⊢ 𝑉 = (Base‘𝑊) |
lbsex.n | ⊢ 𝑁 = (LSpan‘𝑊) |
Ref | Expression |
---|---|
lbsextg | ⊢ (((𝑊 ∈ LVec ∧ 𝒫 𝑉 ∈ dom card) ∧ 𝐶 ⊆ 𝑉 ∧ ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) → ∃𝑠 ∈ 𝐽 𝐶 ⊆ 𝑠) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lbsex.v | . 2 ⊢ 𝑉 = (Base‘𝑊) | |
2 | lbsex.j | . 2 ⊢ 𝐽 = (LBasis‘𝑊) | |
3 | lbsex.n | . 2 ⊢ 𝑁 = (LSpan‘𝑊) | |
4 | simp1l 1196 | . 2 ⊢ (((𝑊 ∈ LVec ∧ 𝒫 𝑉 ∈ dom card) ∧ 𝐶 ⊆ 𝑉 ∧ ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) → 𝑊 ∈ LVec) | |
5 | simp2 1136 | . 2 ⊢ (((𝑊 ∈ LVec ∧ 𝒫 𝑉 ∈ dom card) ∧ 𝐶 ⊆ 𝑉 ∧ ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) → 𝐶 ⊆ 𝑉) | |
6 | simp3 1137 | . . 3 ⊢ (((𝑊 ∈ LVec ∧ 𝒫 𝑉 ∈ dom card) ∧ 𝐶 ⊆ 𝑉 ∧ ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) → ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) | |
7 | id 22 | . . . . . 6 ⊢ (𝑥 = 𝑦 → 𝑥 = 𝑦) | |
8 | sneq 4583 | . . . . . . . 8 ⊢ (𝑥 = 𝑦 → {𝑥} = {𝑦}) | |
9 | 8 | difeq2d 4069 | . . . . . . 7 ⊢ (𝑥 = 𝑦 → (𝐶 ∖ {𝑥}) = (𝐶 ∖ {𝑦})) |
10 | 9 | fveq2d 6829 | . . . . . 6 ⊢ (𝑥 = 𝑦 → (𝑁‘(𝐶 ∖ {𝑥})) = (𝑁‘(𝐶 ∖ {𝑦}))) |
11 | 7, 10 | eleq12d 2831 | . . . . 5 ⊢ (𝑥 = 𝑦 → (𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥})) ↔ 𝑦 ∈ (𝑁‘(𝐶 ∖ {𝑦})))) |
12 | 11 | notbid 317 | . . . 4 ⊢ (𝑥 = 𝑦 → (¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥})) ↔ ¬ 𝑦 ∈ (𝑁‘(𝐶 ∖ {𝑦})))) |
13 | 12 | cbvralvw 3221 | . . 3 ⊢ (∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥})) ↔ ∀𝑦 ∈ 𝐶 ¬ 𝑦 ∈ (𝑁‘(𝐶 ∖ {𝑦}))) |
14 | 6, 13 | sylib 217 | . 2 ⊢ (((𝑊 ∈ LVec ∧ 𝒫 𝑉 ∈ dom card) ∧ 𝐶 ⊆ 𝑉 ∧ ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) → ∀𝑦 ∈ 𝐶 ¬ 𝑦 ∈ (𝑁‘(𝐶 ∖ {𝑦}))) |
15 | 8 | difeq2d 4069 | . . . . . . . 8 ⊢ (𝑥 = 𝑦 → (𝑧 ∖ {𝑥}) = (𝑧 ∖ {𝑦})) |
16 | 15 | fveq2d 6829 | . . . . . . 7 ⊢ (𝑥 = 𝑦 → (𝑁‘(𝑧 ∖ {𝑥})) = (𝑁‘(𝑧 ∖ {𝑦}))) |
17 | 7, 16 | eleq12d 2831 | . . . . . 6 ⊢ (𝑥 = 𝑦 → (𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})) ↔ 𝑦 ∈ (𝑁‘(𝑧 ∖ {𝑦})))) |
18 | 17 | notbid 317 | . . . . 5 ⊢ (𝑥 = 𝑦 → (¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})) ↔ ¬ 𝑦 ∈ (𝑁‘(𝑧 ∖ {𝑦})))) |
19 | 18 | cbvralvw 3221 | . . . 4 ⊢ (∀𝑥 ∈ 𝑧 ¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})) ↔ ∀𝑦 ∈ 𝑧 ¬ 𝑦 ∈ (𝑁‘(𝑧 ∖ {𝑦}))) |
20 | 19 | anbi2i 623 | . . 3 ⊢ ((𝐶 ⊆ 𝑧 ∧ ∀𝑥 ∈ 𝑧 ¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥}))) ↔ (𝐶 ⊆ 𝑧 ∧ ∀𝑦 ∈ 𝑧 ¬ 𝑦 ∈ (𝑁‘(𝑧 ∖ {𝑦})))) |
21 | 20 | rabbii 3409 | . 2 ⊢ {𝑧 ∈ 𝒫 𝑉 ∣ (𝐶 ⊆ 𝑧 ∧ ∀𝑥 ∈ 𝑧 ¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})))} = {𝑧 ∈ 𝒫 𝑉 ∣ (𝐶 ⊆ 𝑧 ∧ ∀𝑦 ∈ 𝑧 ¬ 𝑦 ∈ (𝑁‘(𝑧 ∖ {𝑦})))} |
22 | simp1r 1197 | . 2 ⊢ (((𝑊 ∈ LVec ∧ 𝒫 𝑉 ∈ dom card) ∧ 𝐶 ⊆ 𝑉 ∧ ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) → 𝒫 𝑉 ∈ dom card) | |
23 | 1, 2, 3, 4, 5, 14, 21, 22 | lbsextlem4 20529 | 1 ⊢ (((𝑊 ∈ LVec ∧ 𝒫 𝑉 ∈ dom card) ∧ 𝐶 ⊆ 𝑉 ∧ ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) → ∃𝑠 ∈ 𝐽 𝐶 ⊆ 𝑠) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 396 ∧ w3a 1086 = wceq 1540 ∈ wcel 2105 ∀wral 3061 ∃wrex 3070 {crab 3403 ∖ cdif 3895 ⊆ wss 3898 𝒫 cpw 4547 {csn 4573 dom cdm 5620 ‘cfv 6479 cardccrd 9792 Basecbs 17009 LSpanclspn 20339 LBasisclbs 20442 LVecclvec 20470 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2707 ax-rep 5229 ax-sep 5243 ax-nul 5250 ax-pow 5308 ax-pr 5372 ax-un 7650 ax-cnex 11028 ax-resscn 11029 ax-1cn 11030 ax-icn 11031 ax-addcl 11032 ax-addrcl 11033 ax-mulcl 11034 ax-mulrcl 11035 ax-mulcom 11036 ax-addass 11037 ax-mulass 11038 ax-distr 11039 ax-i2m1 11040 ax-1ne0 11041 ax-1rid 11042 ax-rnegex 11043 ax-rrecex 11044 ax-cnre 11045 ax-pre-lttri 11046 ax-pre-lttrn 11047 ax-pre-ltadd 11048 ax-pre-mulgt0 11049 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3349 df-reu 3350 df-rab 3404 df-v 3443 df-sbc 3728 df-csb 3844 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3917 df-nul 4270 df-if 4474 df-pw 4549 df-sn 4574 df-pr 4576 df-op 4580 df-uni 4853 df-int 4895 df-iun 4943 df-br 5093 df-opab 5155 df-mpt 5176 df-tr 5210 df-id 5518 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5575 df-se 5576 df-we 5577 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-pred 6238 df-ord 6305 df-on 6306 df-lim 6307 df-suc 6308 df-iota 6431 df-fun 6481 df-fn 6482 df-f 6483 df-f1 6484 df-fo 6485 df-f1o 6486 df-fv 6487 df-isom 6488 df-riota 7293 df-ov 7340 df-oprab 7341 df-mpo 7342 df-rpss 7638 df-om 7781 df-1st 7899 df-2nd 7900 df-tpos 8112 df-frecs 8167 df-wrecs 8198 df-recs 8272 df-rdg 8311 df-1o 8367 df-oadd 8371 df-er 8569 df-en 8805 df-dom 8806 df-sdom 8807 df-fin 8808 df-dju 9758 df-card 9796 df-pnf 11112 df-mnf 11113 df-xr 11114 df-ltxr 11115 df-le 11116 df-sub 11308 df-neg 11309 df-nn 12075 df-2 12137 df-3 12138 df-sets 16962 df-slot 16980 df-ndx 16992 df-base 17010 df-ress 17039 df-plusg 17072 df-mulr 17073 df-0g 17249 df-mgm 18423 df-sgrp 18472 df-mnd 18483 df-grp 18676 df-minusg 18677 df-sbg 18678 df-cmn 19483 df-abl 19484 df-mgp 19816 df-ur 19833 df-ring 19880 df-oppr 19957 df-dvdsr 19978 df-unit 19979 df-invr 20009 df-drng 20095 df-lmod 20231 df-lss 20300 df-lsp 20340 df-lbs 20443 df-lvec 20471 |
This theorem is referenced by: lbsext 20531 lbsexg 20532 |
Copyright terms: Public domain | W3C validator |