![]() |
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 1085 | . 2 ⊢ (((𝑊 ∈ LVec ∧ 𝒫 𝑉 ∈ dom card) ∧ 𝐶 ⊆ 𝑉 ∧ ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) → 𝑊 ∈ LVec) | |
5 | simp2 1062 | . 2 ⊢ (((𝑊 ∈ LVec ∧ 𝒫 𝑉 ∈ dom card) ∧ 𝐶 ⊆ 𝑉 ∧ ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) → 𝐶 ⊆ 𝑉) | |
6 | simp3 1063 | . . 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 4187 | . . . . . . . 8 ⊢ (𝑥 = 𝑦 → {𝑥} = {𝑦}) | |
9 | 8 | difeq2d 3728 | . . . . . . 7 ⊢ (𝑥 = 𝑦 → (𝐶 ∖ {𝑥}) = (𝐶 ∖ {𝑦})) |
10 | 9 | fveq2d 6195 | . . . . . 6 ⊢ (𝑥 = 𝑦 → (𝑁‘(𝐶 ∖ {𝑥})) = (𝑁‘(𝐶 ∖ {𝑦}))) |
11 | 7, 10 | eleq12d 2695 | . . . . 5 ⊢ (𝑥 = 𝑦 → (𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥})) ↔ 𝑦 ∈ (𝑁‘(𝐶 ∖ {𝑦})))) |
12 | 11 | notbid 308 | . . . 4 ⊢ (𝑥 = 𝑦 → (¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥})) ↔ ¬ 𝑦 ∈ (𝑁‘(𝐶 ∖ {𝑦})))) |
13 | 12 | cbvralv 3171 | . . 3 ⊢ (∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥})) ↔ ∀𝑦 ∈ 𝐶 ¬ 𝑦 ∈ (𝑁‘(𝐶 ∖ {𝑦}))) |
14 | 6, 13 | sylib 208 | . 2 ⊢ (((𝑊 ∈ LVec ∧ 𝒫 𝑉 ∈ dom card) ∧ 𝐶 ⊆ 𝑉 ∧ ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) → ∀𝑦 ∈ 𝐶 ¬ 𝑦 ∈ (𝑁‘(𝐶 ∖ {𝑦}))) |
15 | 8 | difeq2d 3728 | . . . . . . . . 9 ⊢ (𝑥 = 𝑦 → (𝑧 ∖ {𝑥}) = (𝑧 ∖ {𝑦})) |
16 | 15 | fveq2d 6195 | . . . . . . . 8 ⊢ (𝑥 = 𝑦 → (𝑁‘(𝑧 ∖ {𝑥})) = (𝑁‘(𝑧 ∖ {𝑦}))) |
17 | 7, 16 | eleq12d 2695 | . . . . . . 7 ⊢ (𝑥 = 𝑦 → (𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})) ↔ 𝑦 ∈ (𝑁‘(𝑧 ∖ {𝑦})))) |
18 | 17 | notbid 308 | . . . . . 6 ⊢ (𝑥 = 𝑦 → (¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})) ↔ ¬ 𝑦 ∈ (𝑁‘(𝑧 ∖ {𝑦})))) |
19 | 18 | cbvralv 3171 | . . . . 5 ⊢ (∀𝑥 ∈ 𝑧 ¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})) ↔ ∀𝑦 ∈ 𝑧 ¬ 𝑦 ∈ (𝑁‘(𝑧 ∖ {𝑦}))) |
20 | 19 | anbi2i 730 | . . . 4 ⊢ ((𝐶 ⊆ 𝑧 ∧ ∀𝑥 ∈ 𝑧 ¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥}))) ↔ (𝐶 ⊆ 𝑧 ∧ ∀𝑦 ∈ 𝑧 ¬ 𝑦 ∈ (𝑁‘(𝑧 ∖ {𝑦})))) |
21 | 20 | a1i 11 | . . 3 ⊢ (𝑧 ∈ 𝒫 𝑉 → ((𝐶 ⊆ 𝑧 ∧ ∀𝑥 ∈ 𝑧 ¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥}))) ↔ (𝐶 ⊆ 𝑧 ∧ ∀𝑦 ∈ 𝑧 ¬ 𝑦 ∈ (𝑁‘(𝑧 ∖ {𝑦}))))) |
22 | 21 | rabbiia 3185 | . 2 ⊢ {𝑧 ∈ 𝒫 𝑉 ∣ (𝐶 ⊆ 𝑧 ∧ ∀𝑥 ∈ 𝑧 ¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})))} = {𝑧 ∈ 𝒫 𝑉 ∣ (𝐶 ⊆ 𝑧 ∧ ∀𝑦 ∈ 𝑧 ¬ 𝑦 ∈ (𝑁‘(𝑧 ∖ {𝑦})))} |
23 | simp1r 1086 | . 2 ⊢ (((𝑊 ∈ LVec ∧ 𝒫 𝑉 ∈ dom card) ∧ 𝐶 ⊆ 𝑉 ∧ ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) → 𝒫 𝑉 ∈ dom card) | |
24 | 1, 2, 3, 4, 5, 14, 22, 23 | lbsextlem4 19161 | 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 ↔ wb 196 ∧ wa 384 ∧ w3a 1037 = wceq 1483 ∈ wcel 1990 ∀wral 2912 ∃wrex 2913 {crab 2916 ∖ cdif 3571 ⊆ wss 3574 𝒫 cpw 4158 {csn 4177 dom cdm 5114 ‘cfv 5888 cardccrd 8761 Basecbs 15857 LSpanclspn 18971 LBasisclbs 19074 LVecclvec 19102 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-int 4476 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-se 5074 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-isom 5897 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-rpss 6937 df-om 7066 df-1st 7168 df-2nd 7169 df-tpos 7352 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-oadd 7564 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-fin 7959 df-card 8765 df-cda 8990 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-nn 11021 df-2 11079 df-3 11080 df-ndx 15860 df-slot 15861 df-base 15863 df-sets 15864 df-ress 15865 df-plusg 15954 df-mulr 15955 df-0g 16102 df-mgm 17242 df-sgrp 17284 df-mnd 17295 df-grp 17425 df-minusg 17426 df-sbg 17427 df-cmn 18195 df-abl 18196 df-mgp 18490 df-ur 18502 df-ring 18549 df-oppr 18623 df-dvdsr 18641 df-unit 18642 df-invr 18672 df-drng 18749 df-lmod 18865 df-lss 18933 df-lsp 18972 df-lbs 19075 df-lvec 19103 |
This theorem is referenced by: lbsext 19163 lbsexg 19164 |
Copyright terms: Public domain | W3C validator |