| Step | Hyp | Ref
| Expression |
| 1 | | eqid 2740 |
. . . . 5
⊢
(Base‘𝑊) =
(Base‘𝑊) |
| 2 | 1 | linds1 21792 |
. . . 4
⊢ (𝐹 ∈ (LIndS‘𝑊) → 𝐹 ⊆ (Base‘𝑊)) |
| 3 | | eldifi 4068 |
. . . . 5
⊢ (𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹)) → 𝑋 ∈ (Base‘𝑊)) |
| 4 | 3 | snssd 4725 |
. . . 4
⊢ (𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹)) → {𝑋} ⊆ (Base‘𝑊)) |
| 5 | | unss 4126 |
. . . . 5
⊢ ((𝐹 ⊆ (Base‘𝑊) ∧ {𝑋} ⊆ (Base‘𝑊)) ↔ (𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊)) |
| 6 | 5 | biimpi 217 |
. . . 4
⊢ ((𝐹 ⊆ (Base‘𝑊) ∧ {𝑋} ⊆ (Base‘𝑊)) → (𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊)) |
| 7 | 2, 4, 6 | syl2an 602 |
. . 3
⊢ ((𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊)) |
| 8 | 7 | 3adant1 1136 |
. 2
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊)) |
| 9 | | eldifn 4069 |
. . . . . . 7
⊢ (𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹)) → ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)) |
| 10 | 9 | 3ad2ant3 1141 |
. . . . . 6
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)) |
| 11 | 10 | adantr 481 |
. . . . 5
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)) |
| 12 | | simpll1 1219 |
. . . . . . . 8
⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → 𝑊 ∈ LVec) |
| 13 | 2 | ssdifssd 4084 |
. . . . . . . . . 10
⊢ (𝐹 ∈ (LIndS‘𝑊) → (𝐹 ∖ {𝑥}) ⊆ (Base‘𝑊)) |
| 14 | 13 | 3ad2ant2 1140 |
. . . . . . . . 9
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝐹 ∖ {𝑥}) ⊆ (Base‘𝑊)) |
| 15 | 14 | ad2antrr 732 |
. . . . . . . 8
⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → (𝐹 ∖ {𝑥}) ⊆ (Base‘𝑊)) |
| 16 | 3 | 3ad2ant3 1141 |
. . . . . . . . 9
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → 𝑋 ∈ (Base‘𝑊)) |
| 17 | 16 | ad2antrr 732 |
. . . . . . . 8
⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → 𝑋 ∈ (Base‘𝑊)) |
| 18 | | simpr 485 |
. . . . . . . . 9
⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) |
| 19 | | lveclmod 21103 |
. . . . . . . . . . . . 13
⊢ (𝑊 ∈ LVec → 𝑊 ∈ LMod) |
| 20 | 19 | ad2antrr 732 |
. . . . . . . . . . . 12
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → 𝑊 ∈ LMod) |
| 21 | | eqid 2740 |
. . . . . . . . . . . . . . . 16
⊢
(Scalar‘𝑊) =
(Scalar‘𝑊) |
| 22 | 21 | lmodring 20865 |
. . . . . . . . . . . . . . 15
⊢ (𝑊 ∈ LMod →
(Scalar‘𝑊) ∈
Ring) |
| 23 | 19, 22 | syl 17 |
. . . . . . . . . . . . . 14
⊢ (𝑊 ∈ LVec →
(Scalar‘𝑊) ∈
Ring) |
| 24 | | eqid 2740 |
. . . . . . . . . . . . . . 15
⊢
(0g‘(Scalar‘𝑊)) =
(0g‘(Scalar‘𝑊)) |
| 25 | | eqid 2740 |
. . . . . . . . . . . . . . 15
⊢
(Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊)) |
| 26 | 24, 25 | ringelnzr 20502 |
. . . . . . . . . . . . . 14
⊢
(((Scalar‘𝑊)
∈ Ring ∧ 𝑘 ∈
((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → (Scalar‘𝑊) ∈ NzRing) |
| 27 | 23, 26 | sylan 586 |
. . . . . . . . . . . . 13
⊢ ((𝑊 ∈ LVec ∧ 𝑘 ∈
((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → (Scalar‘𝑊) ∈ NzRing) |
| 28 | 27 | ad2ant2rl 755 |
. . . . . . . . . . . 12
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → (Scalar‘𝑊) ∈
NzRing) |
| 29 | | simplr 774 |
. . . . . . . . . . . 12
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → 𝐹 ∈ (LIndS‘𝑊)) |
| 30 | | simprl 776 |
. . . . . . . . . . . 12
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → 𝑥 ∈ 𝐹) |
| 31 | | eqid 2740 |
. . . . . . . . . . . . 13
⊢
(LSpan‘𝑊) =
(LSpan‘𝑊) |
| 32 | 31, 21 | lindsind2 21801 |
. . . . . . . . . . . 12
⊢ (((𝑊 ∈ LMod ∧
(Scalar‘𝑊) ∈
NzRing) ∧ 𝐹 ∈
(LIndS‘𝑊) ∧ 𝑥 ∈ 𝐹) → ¬ 𝑥 ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑥}))) |
| 33 | 20, 28, 29, 30, 32 | syl211anc 1384 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → ¬ 𝑥 ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑥}))) |
| 34 | 33 | 3adantl3 1175 |
. . . . . . . . . 10
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → ¬ 𝑥 ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑥}))) |
| 35 | 34 | adantr 481 |
. . . . . . . . 9
⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → ¬ 𝑥 ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑥}))) |
| 36 | 18, 35 | eldifd 3901 |
. . . . . . . 8
⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → 𝑥 ∈ (((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) ∖ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑥})))) |
| 37 | | eqid 2740 |
. . . . . . . . 9
⊢
(LSubSp‘𝑊) =
(LSubSp‘𝑊) |
| 38 | 1, 37, 31 | lspsolv 21143 |
. . . . . . . 8
⊢ ((𝑊 ∈ LVec ∧ ((𝐹 ∖ {𝑥}) ⊆ (Base‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊) ∧ 𝑥 ∈ (((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) ∖ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑥}))))) → 𝑋 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑥}))) |
| 39 | 12, 15, 17, 36, 38 | syl13anc 1380 |
. . . . . . 7
⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → 𝑋 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑥}))) |
| 40 | 39 | ex 413 |
. . . . . 6
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) → 𝑋 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑥})))) |
| 41 | | eldif 3900 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹)) ↔ (𝑋 ∈ (Base‘𝑊) ∧ ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))) |
| 42 | | snssi 4724 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ (𝑋 ∈ 𝐹 → {𝑋} ⊆ 𝐹) |
| 43 | 1, 31 | lspss 20981 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ ((𝑊 ∈ LMod ∧ 𝐹 ⊆ (Base‘𝑊) ∧ {𝑋} ⊆ 𝐹) → ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹)) |
| 44 | 19, 2, 42, 43 | syl3an 1166 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ 𝐹) → ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹)) |
| 45 | 44 | ad4ant124 1180 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑋 ∈ 𝐹) → ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹)) |
| 46 | 1, 31 | lspsnid 20990 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ (Base‘𝑊)) → 𝑋 ∈ ((LSpan‘𝑊)‘{𝑋})) |
| 47 | 19, 46 | sylan 586 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ ((𝑊 ∈ LVec ∧ 𝑋 ∈ (Base‘𝑊)) → 𝑋 ∈ ((LSpan‘𝑊)‘{𝑋})) |
| 48 | 47 | ad4ant13 757 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑋 ∈ 𝐹) → 𝑋 ∈ ((LSpan‘𝑊)‘{𝑋})) |
| 49 | 45, 48 | sseldd 3923 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑋 ∈ 𝐹) → 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)) |
| 50 | 49 | ex 413 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ 𝑋 ∈ (Base‘𝑊)) → (𝑋 ∈ 𝐹 → 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))) |
| 51 | 50 | con3d 152 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ 𝑋 ∈ (Base‘𝑊)) → (¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹) → ¬ 𝑋 ∈ 𝐹)) |
| 52 | 51 | expimpd 454 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) → ((𝑋 ∈ (Base‘𝑊) ∧ ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)) → ¬ 𝑋 ∈ 𝐹)) |
| 53 | 52 | 3impia 1123 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ (𝑋 ∈ (Base‘𝑊) ∧ ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))) → ¬ 𝑋 ∈ 𝐹) |
| 54 | 41, 53 | syl3an3b 1413 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ¬ 𝑋 ∈ 𝐹) |
| 55 | | eleq1 2828 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑋 = 𝑥 → (𝑋 ∈ 𝐹 ↔ 𝑥 ∈ 𝐹)) |
| 56 | 55 | notbid 319 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑋 = 𝑥 → (¬ 𝑋 ∈ 𝐹 ↔ ¬ 𝑥 ∈ 𝐹)) |
| 57 | 54, 56 | syl5ibcom 246 |
. . . . . . . . . . . . . . . 16
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝑋 = 𝑥 → ¬ 𝑥 ∈ 𝐹)) |
| 58 | 57 | necon2ad 2950 |
. . . . . . . . . . . . . . 15
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝑥 ∈ 𝐹 → 𝑋 ≠ 𝑥)) |
| 59 | 58 | imp 407 |
. . . . . . . . . . . . . 14
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → 𝑋 ≠ 𝑥) |
| 60 | | disjsn2 4651 |
. . . . . . . . . . . . . 14
⊢ (𝑋 ≠ 𝑥 → ({𝑋} ∩ {𝑥}) = ∅) |
| 61 | 59, 60 | syl 17 |
. . . . . . . . . . . . 13
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → ({𝑋} ∩ {𝑥}) = ∅) |
| 62 | | disj3 4389 |
. . . . . . . . . . . . 13
⊢ (({𝑋} ∩ {𝑥}) = ∅ ↔ {𝑋} = ({𝑋} ∖ {𝑥})) |
| 63 | 61, 62 | sylib 219 |
. . . . . . . . . . . 12
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → {𝑋} = ({𝑋} ∖ {𝑥})) |
| 64 | 63 | uneq2d 4105 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → ((𝐹 ∖ {𝑥}) ∪ {𝑋}) = ((𝐹 ∖ {𝑥}) ∪ ({𝑋} ∖ {𝑥}))) |
| 65 | | difundir 4226 |
. . . . . . . . . . 11
⊢ ((𝐹 ∪ {𝑋}) ∖ {𝑥}) = ((𝐹 ∖ {𝑥}) ∪ ({𝑋} ∖ {𝑥})) |
| 66 | 64, 65 | eqtr4di 2793 |
. . . . . . . . . 10
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → ((𝐹 ∖ {𝑥}) ∪ {𝑋}) = ((𝐹 ∪ {𝑋}) ∖ {𝑥})) |
| 67 | 66 | fveq2d 6838 |
. . . . . . . . 9
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) = ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))) |
| 68 | 67 | eleq2d 2826 |
. . . . . . . 8
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) ↔ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))) |
| 69 | 68 | adantrr 723 |
. . . . . . 7
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) ↔ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))) |
| 70 | | simpl 483 |
. . . . . . . . . . . . 13
⊢ ((𝑊 ∈ LVec ∧ 𝑘 ∈
((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → 𝑊 ∈ LVec) |
| 71 | | eldifsn 4726 |
. . . . . . . . . . . . . 14
⊢ (𝑘 ∈
((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ↔ (𝑘 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠
(0g‘(Scalar‘𝑊)))) |
| 72 | 71 | bilani 505 |
. . . . . . . . . . . . 13
⊢ ((𝑊 ∈ LVec ∧ 𝑘 ∈
((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → (𝑘 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠
(0g‘(Scalar‘𝑊)))) |
| 73 | 2 | sselda 3922 |
. . . . . . . . . . . . 13
⊢ ((𝐹 ∈ (LIndS‘𝑊) ∧ 𝑥 ∈ 𝐹) → 𝑥 ∈ (Base‘𝑊)) |
| 74 | | eqid 2740 |
. . . . . . . . . . . . . 14
⊢ (
·𝑠 ‘𝑊) = ( ·𝑠
‘𝑊) |
| 75 | 1, 21, 74, 25, 24, 31 | lspsnvs 21114 |
. . . . . . . . . . . . 13
⊢ ((𝑊 ∈ LVec ∧ (𝑘 ∈
(Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠
(0g‘(Scalar‘𝑊))) ∧ 𝑥 ∈ (Base‘𝑊)) → ((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑥)}) = ((LSpan‘𝑊)‘{𝑥})) |
| 76 | 70, 72, 73, 75 | syl2an3an 1430 |
. . . . . . . . . . . 12
⊢ (((𝑊 ∈ LVec ∧ 𝑘 ∈
((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) ∧ (𝐹 ∈ (LIndS‘𝑊) ∧ 𝑥 ∈ 𝐹)) → ((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑥)}) = ((LSpan‘𝑊)‘{𝑥})) |
| 77 | 76 | an42s 667 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → ((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑥)}) = ((LSpan‘𝑊)‘{𝑥})) |
| 78 | 77 | sseq1d 3953 |
. . . . . . . . . 10
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → (((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑥)}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ((LSpan‘𝑊)‘{𝑥}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))) |
| 79 | 78 | 3adantl3 1175 |
. . . . . . . . 9
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → (((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑥)}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ((LSpan‘𝑊)‘{𝑥}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))) |
| 80 | | eldifi 4068 |
. . . . . . . . . 10
⊢ (𝑘 ∈
((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) → 𝑘 ∈ (Base‘(Scalar‘𝑊))) |
| 81 | 19 | 3ad2ant1 1139 |
. . . . . . . . . . . 12
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → 𝑊 ∈ LMod) |
| 82 | 81 | adantr 481 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊)))) → 𝑊 ∈ LMod) |
| 83 | | snssi 4724 |
. . . . . . . . . . . . . . . 16
⊢ (𝑋 ∈ (Base‘𝑊) → {𝑋} ⊆ (Base‘𝑊)) |
| 84 | 2, 83, 6 | syl2an 602 |
. . . . . . . . . . . . . . 15
⊢ ((𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → (𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊)) |
| 85 | 84 | ssdifssd 4084 |
. . . . . . . . . . . . . 14
⊢ ((𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → ((𝐹 ∪ {𝑋}) ∖ {𝑥}) ⊆ (Base‘𝑊)) |
| 86 | 1, 37, 31 | lspcl 20973 |
. . . . . . . . . . . . . 14
⊢ ((𝑊 ∈ LMod ∧ ((𝐹 ∪ {𝑋}) ∖ {𝑥}) ⊆ (Base‘𝑊)) → ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ∈ (LSubSp‘𝑊)) |
| 87 | 19, 85, 86 | syl2an 602 |
. . . . . . . . . . . . 13
⊢ ((𝑊 ∈ LVec ∧ (𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊))) → ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ∈ (LSubSp‘𝑊)) |
| 88 | 87 | 3impb 1120 |
. . . . . . . . . . . 12
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ∈ (LSubSp‘𝑊)) |
| 89 | 88 | adantr 481 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊)))) → ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ∈ (LSubSp‘𝑊)) |
| 90 | 19 | anim1i 621 |
. . . . . . . . . . . . . 14
⊢ ((𝑊 ∈ LVec ∧ 𝑘 ∈
(Base‘(Scalar‘𝑊))) → (𝑊 ∈ LMod ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊)))) |
| 91 | 1, 21, 74, 25 | lmodvscl 20875 |
. . . . . . . . . . . . . . 15
⊢ ((𝑊 ∈ LMod ∧ 𝑘 ∈
(Base‘(Scalar‘𝑊)) ∧ 𝑥 ∈ (Base‘𝑊)) → (𝑘( ·𝑠
‘𝑊)𝑥) ∈ (Base‘𝑊)) |
| 92 | 91 | 3expa 1124 |
. . . . . . . . . . . . . 14
⊢ (((𝑊 ∈ LMod ∧ 𝑘 ∈
(Base‘(Scalar‘𝑊))) ∧ 𝑥 ∈ (Base‘𝑊)) → (𝑘( ·𝑠
‘𝑊)𝑥) ∈ (Base‘𝑊)) |
| 93 | 90, 73, 92 | syl2an 602 |
. . . . . . . . . . . . 13
⊢ (((𝑊 ∈ LVec ∧ 𝑘 ∈
(Base‘(Scalar‘𝑊))) ∧ (𝐹 ∈ (LIndS‘𝑊) ∧ 𝑥 ∈ 𝐹)) → (𝑘( ·𝑠
‘𝑊)𝑥) ∈ (Base‘𝑊)) |
| 94 | 93 | an42s 667 |
. . . . . . . . . . . 12
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊)))) → (𝑘( ·𝑠
‘𝑊)𝑥) ∈ (Base‘𝑊)) |
| 95 | 94 | 3adantl3 1175 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊)))) → (𝑘( ·𝑠
‘𝑊)𝑥) ∈ (Base‘𝑊)) |
| 96 | 1, 37, 31, 82, 89, 95 | ellspsn5b 20992 |
. . . . . . . . . 10
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊)))) → ((𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑥)}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))) |
| 97 | 80, 96 | sylanr2 689 |
. . . . . . . . 9
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → ((𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑥)}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))) |
| 98 | 81 | adantr 481 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑥 ∈ 𝐹) → 𝑊 ∈ LMod) |
| 99 | 88 | adantr 481 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑥 ∈ 𝐹) → ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ∈ (LSubSp‘𝑊)) |
| 100 | 73 | 3ad2antl2 1193 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑥 ∈ 𝐹) → 𝑥 ∈ (Base‘𝑊)) |
| 101 | 1, 37, 31, 98, 99, 100 | ellspsn5b 20992 |
. . . . . . . . . 10
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑥 ∈ 𝐹) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ((LSpan‘𝑊)‘{𝑥}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))) |
| 102 | 101 | adantrr 723 |
. . . . . . . . 9
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ((LSpan‘𝑊)‘{𝑥}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))) |
| 103 | 79, 97, 102 | 3bitr4rd 313 |
. . . . . . . 8
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))) |
| 104 | 3, 103 | syl3anl3 1422 |
. . . . . . 7
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))) |
| 105 | 69, 104 | bitrd 280 |
. . . . . 6
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) ↔ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))) |
| 106 | | difsnid 4748 |
. . . . . . . . 9
⊢ (𝑥 ∈ 𝐹 → ((𝐹 ∖ {𝑥}) ∪ {𝑥}) = 𝐹) |
| 107 | 106 | fveq2d 6838 |
. . . . . . . 8
⊢ (𝑥 ∈ 𝐹 → ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑥})) = ((LSpan‘𝑊)‘𝐹)) |
| 108 | 107 | eleq2d 2826 |
. . . . . . 7
⊢ (𝑥 ∈ 𝐹 → (𝑋 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑥})) ↔ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))) |
| 109 | 108 | ad2antrl 734 |
. . . . . 6
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → (𝑋 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑥})) ↔ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))) |
| 110 | 40, 105, 109 | 3imtr3d 294 |
. . . . 5
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → ((𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) → 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))) |
| 111 | 11, 110 | mtod 199 |
. . . 4
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}))) → ¬ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))) |
| 112 | 111 | ralrimivva 3183 |
. . 3
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ∀𝑥 ∈ 𝐹 ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))) |
| 113 | 10 | adantr 481 |
. . . . . 6
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)) |
| 114 | | difsn 4738 |
. . . . . . . . . . 11
⊢ (¬
𝑋 ∈ 𝐹 → (𝐹 ∖ {𝑋}) = 𝐹) |
| 115 | 54, 114 | syl 17 |
. . . . . . . . . 10
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝐹 ∖ {𝑋}) = 𝐹) |
| 116 | 115 | fveq2d 6838 |
. . . . . . . . 9
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})) = ((LSpan‘𝑊)‘𝐹)) |
| 117 | 116 | eleq2d 2826 |
. . . . . . . 8
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ((𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})) ↔ (𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘𝐹))) |
| 118 | 117 | adantr 481 |
. . . . . . 7
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → ((𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})) ↔ (𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘𝐹))) |
| 119 | 1, 21, 74, 25, 24, 31 | lspsnvs 21114 |
. . . . . . . . . . . . . 14
⊢ ((𝑊 ∈ LVec ∧ (𝑘 ∈
(Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠
(0g‘(Scalar‘𝑊))) ∧ 𝑋 ∈ (Base‘𝑊)) → ((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑋)}) = ((LSpan‘𝑊)‘{𝑋})) |
| 120 | 119 | 3expa 1124 |
. . . . . . . . . . . . 13
⊢ (((𝑊 ∈ LVec ∧ (𝑘 ∈
(Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠
(0g‘(Scalar‘𝑊)))) ∧ 𝑋 ∈ (Base‘𝑊)) → ((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑋)}) = ((LSpan‘𝑊)‘{𝑋})) |
| 121 | 120 | an32s 658 |
. . . . . . . . . . . 12
⊢ (((𝑊 ∈ LVec ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑘 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠
(0g‘(Scalar‘𝑊)))) → ((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑋)}) = ((LSpan‘𝑊)‘{𝑋})) |
| 122 | 71, 121 | sylan2b 600 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LVec ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → ((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑋)}) = ((LSpan‘𝑊)‘{𝑋})) |
| 123 | 122 | sseq1d 3953 |
. . . . . . . . . 10
⊢ (((𝑊 ∈ LVec ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → (((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑋)}) ⊆ ((LSpan‘𝑊)‘𝐹) ↔ ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹))) |
| 124 | 123 | 3adantl2 1174 |
. . . . . . . . 9
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → (((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑋)}) ⊆ ((LSpan‘𝑊)‘𝐹) ↔ ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹))) |
| 125 | 81 | adantr 481 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) → 𝑊 ∈ LMod) |
| 126 | 1, 37, 31 | lspcl 20973 |
. . . . . . . . . . . . . 14
⊢ ((𝑊 ∈ LMod ∧ 𝐹 ⊆ (Base‘𝑊)) → ((LSpan‘𝑊)‘𝐹) ∈ (LSubSp‘𝑊)) |
| 127 | 19, 2, 126 | syl2an 602 |
. . . . . . . . . . . . 13
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) → ((LSpan‘𝑊)‘𝐹) ∈ (LSubSp‘𝑊)) |
| 128 | 127 | 3adant3 1138 |
. . . . . . . . . . . 12
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → ((LSpan‘𝑊)‘𝐹) ∈ (LSubSp‘𝑊)) |
| 129 | 128 | adantr 481 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) → ((LSpan‘𝑊)‘𝐹) ∈ (LSubSp‘𝑊)) |
| 130 | 1, 21, 74, 25 | lmodvscl 20875 |
. . . . . . . . . . . . . . 15
⊢ ((𝑊 ∈ LMod ∧ 𝑘 ∈
(Base‘(Scalar‘𝑊)) ∧ 𝑋 ∈ (Base‘𝑊)) → (𝑘( ·𝑠
‘𝑊)𝑋) ∈ (Base‘𝑊)) |
| 131 | 130 | 3expa 1124 |
. . . . . . . . . . . . . 14
⊢ (((𝑊 ∈ LMod ∧ 𝑘 ∈
(Base‘(Scalar‘𝑊))) ∧ 𝑋 ∈ (Base‘𝑊)) → (𝑘( ·𝑠
‘𝑊)𝑋) ∈ (Base‘𝑊)) |
| 132 | 131 | an32s 658 |
. . . . . . . . . . . . 13
⊢ (((𝑊 ∈ LMod ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) → (𝑘( ·𝑠
‘𝑊)𝑋) ∈ (Base‘𝑊)) |
| 133 | 19, 132 | sylanl1 686 |
. . . . . . . . . . . 12
⊢ (((𝑊 ∈ LVec ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) → (𝑘( ·𝑠
‘𝑊)𝑋) ∈ (Base‘𝑊)) |
| 134 | 133 | 3adantl2 1174 |
. . . . . . . . . . 11
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) → (𝑘( ·𝑠
‘𝑊)𝑋) ∈ (Base‘𝑊)) |
| 135 | 1, 37, 31, 125, 129, 134 | ellspsn5b 20992 |
. . . . . . . . . 10
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) → ((𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘𝐹) ↔ ((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑋)}) ⊆ ((LSpan‘𝑊)‘𝐹))) |
| 136 | 80, 135 | sylan2 599 |
. . . . . . . . 9
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → ((𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘𝐹) ↔ ((LSpan‘𝑊)‘{(𝑘( ·𝑠
‘𝑊)𝑋)}) ⊆ ((LSpan‘𝑊)‘𝐹))) |
| 137 | | simp3 1144 |
. . . . . . . . . . 11
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → 𝑋 ∈ (Base‘𝑊)) |
| 138 | 1, 37, 31, 81, 128, 137 | ellspsn5b 20992 |
. . . . . . . . . 10
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → (𝑋 ∈ ((LSpan‘𝑊)‘𝐹) ↔ ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹))) |
| 139 | 138 | adantr 481 |
. . . . . . . . 9
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → (𝑋 ∈ ((LSpan‘𝑊)‘𝐹) ↔ ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹))) |
| 140 | 124, 136,
139 | 3bitr4d 312 |
. . . . . . . 8
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → ((𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘𝐹) ↔ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))) |
| 141 | 3, 140 | syl3anl3 1422 |
. . . . . . 7
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → ((𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘𝐹) ↔ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))) |
| 142 | 118, 141 | bitrd 280 |
. . . . . 6
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → ((𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})) ↔ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))) |
| 143 | 113, 142 | mtbird 326 |
. . . . 5
⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))})) → ¬ (𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋}))) |
| 144 | 143 | ralrimiva 3132 |
. . . 4
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋}))) |
| 145 | | oveq2 7371 |
. . . . . . . . 9
⊢ (𝑥 = 𝑋 → (𝑘( ·𝑠
‘𝑊)𝑥) = (𝑘( ·𝑠
‘𝑊)𝑋)) |
| 146 | | sneq 4572 |
. . . . . . . . . . . 12
⊢ (𝑥 = 𝑋 → {𝑥} = {𝑋}) |
| 147 | 146 | difeq2d 4064 |
. . . . . . . . . . 11
⊢ (𝑥 = 𝑋 → ((𝐹 ∪ {𝑋}) ∖ {𝑥}) = ((𝐹 ∪ {𝑋}) ∖ {𝑋})) |
| 148 | | difun2 4416 |
. . . . . . . . . . 11
⊢ ((𝐹 ∪ {𝑋}) ∖ {𝑋}) = (𝐹 ∖ {𝑋}) |
| 149 | 147, 148 | eqtrdi 2791 |
. . . . . . . . . 10
⊢ (𝑥 = 𝑋 → ((𝐹 ∪ {𝑋}) ∖ {𝑥}) = (𝐹 ∖ {𝑋})) |
| 150 | 149 | fveq2d 6838 |
. . . . . . . . 9
⊢ (𝑥 = 𝑋 → ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) = ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋}))) |
| 151 | 145, 150 | eleq12d 2834 |
. . . . . . . 8
⊢ (𝑥 = 𝑋 → ((𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ (𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})))) |
| 152 | 151 | notbid 319 |
. . . . . . 7
⊢ (𝑥 = 𝑋 → (¬ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ¬ (𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})))) |
| 153 | 152 | ralbidv 3163 |
. . . . . 6
⊢ (𝑥 = 𝑋 → (∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})))) |
| 154 | 153 | ralsng 4614 |
. . . . 5
⊢ (𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹)) → (∀𝑥 ∈ {𝑋}∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})))) |
| 155 | 154 | 3ad2ant3 1141 |
. . . 4
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (∀𝑥 ∈ {𝑋}∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})))) |
| 156 | 144, 155 | mpbird 258 |
. . 3
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ∀𝑥 ∈ {𝑋}∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))) |
| 157 | | ralunb 4133 |
. . 3
⊢
(∀𝑥 ∈
(𝐹 ∪ {𝑋})∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ (∀𝑥 ∈ 𝐹 ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ∧ ∀𝑥 ∈ {𝑋}∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))) |
| 158 | 112, 156,
157 | sylanbrc 589 |
. 2
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ∀𝑥 ∈ (𝐹 ∪ {𝑋})∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))) |
| 159 | 1, 74, 31, 21, 25, 24 | islinds2 21795 |
. . 3
⊢ (𝑊 ∈ LVec → ((𝐹 ∪ {𝑋}) ∈ (LIndS‘𝑊) ↔ ((𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊) ∧ ∀𝑥 ∈ (𝐹 ∪ {𝑋})∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))) |
| 160 | 159 | 3ad2ant1 1139 |
. 2
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ((𝐹 ∪ {𝑋}) ∈ (LIndS‘𝑊) ↔ ((𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊) ∧ ∀𝑥 ∈ (𝐹 ∪ {𝑋})∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖
{(0g‘(Scalar‘𝑊))}) ¬ (𝑘( ·𝑠
‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))) |
| 161 | 8, 158, 160 | mpbir2and 719 |
1
⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝐹 ∪ {𝑋}) ∈ (LIndS‘𝑊)) |