Step | Hyp | Ref
| Expression |
1 | | lbsext.k |
. . . 4
⊢ (𝜑 → 𝒫 𝑉 ∈ dom
card) |
2 | | lbsext.s |
. . . . 5
⊢ 𝑆 = {𝑧 ∈ 𝒫 𝑉 ∣ (𝐶 ⊆ 𝑧 ∧ ∀𝑥 ∈ 𝑧 ¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})))} |
3 | | ssrab2 3650 |
. . . . 5
⊢ {𝑧 ∈ 𝒫 𝑉 ∣ (𝐶 ⊆ 𝑧 ∧ ∀𝑥 ∈ 𝑧 ¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})))} ⊆ 𝒫 𝑉 |
4 | 2, 3 | eqsstri 3598 |
. . . 4
⊢ 𝑆 ⊆ 𝒫 𝑉 |
5 | | ssnum 8745 |
. . . 4
⊢
((𝒫 𝑉 ∈
dom card ∧ 𝑆 ⊆
𝒫 𝑉) → 𝑆 ∈ dom
card) |
6 | 1, 4, 5 | sylancl 693 |
. . 3
⊢ (𝜑 → 𝑆 ∈ dom card) |
7 | | lbsext.v |
. . . 4
⊢ 𝑉 = (Base‘𝑊) |
8 | | lbsext.j |
. . . 4
⊢ 𝐽 = (LBasis‘𝑊) |
9 | | lbsext.n |
. . . 4
⊢ 𝑁 = (LSpan‘𝑊) |
10 | | lbsext.w |
. . . 4
⊢ (𝜑 → 𝑊 ∈ LVec) |
11 | | lbsext.c |
. . . 4
⊢ (𝜑 → 𝐶 ⊆ 𝑉) |
12 | | lbsext.x |
. . . 4
⊢ (𝜑 → ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) |
13 | 7, 8, 9, 10, 11, 12, 2 | lbsextlem1 18979 |
. . 3
⊢ (𝜑 → 𝑆 ≠ ∅) |
14 | 10 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑦 ⊆ 𝑆 ∧ 𝑦 ≠ ∅ ∧ [⊊] Or
𝑦)) → 𝑊 ∈ LVec) |
15 | 11 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑦 ⊆ 𝑆 ∧ 𝑦 ≠ ∅ ∧ [⊊] Or
𝑦)) → 𝐶 ⊆ 𝑉) |
16 | 12 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑦 ⊆ 𝑆 ∧ 𝑦 ≠ ∅ ∧ [⊊] Or
𝑦)) → ∀𝑥 ∈ 𝐶 ¬ 𝑥 ∈ (𝑁‘(𝐶 ∖ {𝑥}))) |
17 | | eqid 2610 |
. . . . . 6
⊢
(LSubSp‘𝑊) =
(LSubSp‘𝑊) |
18 | | simpr1 1060 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑦 ⊆ 𝑆 ∧ 𝑦 ≠ ∅ ∧ [⊊] Or
𝑦)) → 𝑦 ⊆ 𝑆) |
19 | | simpr2 1061 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑦 ⊆ 𝑆 ∧ 𝑦 ≠ ∅ ∧ [⊊] Or
𝑦)) → 𝑦 ≠ ∅) |
20 | | simpr3 1062 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑦 ⊆ 𝑆 ∧ 𝑦 ≠ ∅ ∧ [⊊] Or
𝑦)) →
[⊊] Or 𝑦) |
21 | | eqid 2610 |
. . . . . 6
⊢ ∪ 𝑢 ∈ 𝑦 (𝑁‘(𝑢 ∖ {𝑥})) = ∪
𝑢 ∈ 𝑦 (𝑁‘(𝑢 ∖ {𝑥})) |
22 | 7, 8, 9, 14, 15, 16, 2, 17, 18, 19, 20, 21 | lbsextlem3 18981 |
. . . . 5
⊢ ((𝜑 ∧ (𝑦 ⊆ 𝑆 ∧ 𝑦 ≠ ∅ ∧ [⊊] Or
𝑦)) → ∪ 𝑦
∈ 𝑆) |
23 | 22 | ex 449 |
. . . 4
⊢ (𝜑 → ((𝑦 ⊆ 𝑆 ∧ 𝑦 ≠ ∅ ∧ [⊊] Or
𝑦) → ∪ 𝑦
∈ 𝑆)) |
24 | 23 | alrimiv 1842 |
. . 3
⊢ (𝜑 → ∀𝑦((𝑦 ⊆ 𝑆 ∧ 𝑦 ≠ ∅ ∧ [⊊] Or
𝑦) → ∪ 𝑦
∈ 𝑆)) |
25 | | zornn0g 9210 |
. . 3
⊢ ((𝑆 ∈ dom card ∧ 𝑆 ≠ ∅ ∧
∀𝑦((𝑦 ⊆ 𝑆 ∧ 𝑦 ≠ ∅ ∧ [⊊] Or
𝑦) → ∪ 𝑦
∈ 𝑆)) →
∃𝑠 ∈ 𝑆 ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡) |
26 | 6, 13, 24, 25 | syl3anc 1318 |
. 2
⊢ (𝜑 → ∃𝑠 ∈ 𝑆 ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡) |
27 | | simprl 790 |
. . . . . . . . 9
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → 𝑠 ∈ 𝑆) |
28 | | sseq2 3590 |
. . . . . . . . . . 11
⊢ (𝑧 = 𝑠 → (𝐶 ⊆ 𝑧 ↔ 𝐶 ⊆ 𝑠)) |
29 | | difeq1 3683 |
. . . . . . . . . . . . . . 15
⊢ (𝑧 = 𝑠 → (𝑧 ∖ {𝑥}) = (𝑠 ∖ {𝑥})) |
30 | 29 | fveq2d 6107 |
. . . . . . . . . . . . . 14
⊢ (𝑧 = 𝑠 → (𝑁‘(𝑧 ∖ {𝑥})) = (𝑁‘(𝑠 ∖ {𝑥}))) |
31 | 30 | eleq2d 2673 |
. . . . . . . . . . . . 13
⊢ (𝑧 = 𝑠 → (𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})) ↔ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥})))) |
32 | 31 | notbid 307 |
. . . . . . . . . . . 12
⊢ (𝑧 = 𝑠 → (¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})) ↔ ¬ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥})))) |
33 | 32 | raleqbi1dv 3123 |
. . . . . . . . . . 11
⊢ (𝑧 = 𝑠 → (∀𝑥 ∈ 𝑧 ¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})) ↔ ∀𝑥 ∈ 𝑠 ¬ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥})))) |
34 | 28, 33 | anbi12d 743 |
. . . . . . . . . 10
⊢ (𝑧 = 𝑠 → ((𝐶 ⊆ 𝑧 ∧ ∀𝑥 ∈ 𝑧 ¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥}))) ↔ (𝐶 ⊆ 𝑠 ∧ ∀𝑥 ∈ 𝑠 ¬ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥}))))) |
35 | 34, 2 | elrab2 3333 |
. . . . . . . . 9
⊢ (𝑠 ∈ 𝑆 ↔ (𝑠 ∈ 𝒫 𝑉 ∧ (𝐶 ⊆ 𝑠 ∧ ∀𝑥 ∈ 𝑠 ¬ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥}))))) |
36 | 27, 35 | sylib 207 |
. . . . . . . 8
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → (𝑠 ∈ 𝒫 𝑉 ∧ (𝐶 ⊆ 𝑠 ∧ ∀𝑥 ∈ 𝑠 ¬ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥}))))) |
37 | 36 | simpld 474 |
. . . . . . 7
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → 𝑠 ∈ 𝒫 𝑉) |
38 | 37 | elpwid 4118 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → 𝑠 ⊆ 𝑉) |
39 | | lveclmod 18927 |
. . . . . . . . . 10
⊢ (𝑊 ∈ LVec → 𝑊 ∈ LMod) |
40 | 10, 39 | syl 17 |
. . . . . . . . 9
⊢ (𝜑 → 𝑊 ∈ LMod) |
41 | 40 | adantr 480 |
. . . . . . . 8
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → 𝑊 ∈ LMod) |
42 | 7, 9 | lspssv 18804 |
. . . . . . . 8
⊢ ((𝑊 ∈ LMod ∧ 𝑠 ⊆ 𝑉) → (𝑁‘𝑠) ⊆ 𝑉) |
43 | 41, 38, 42 | syl2anc 691 |
. . . . . . 7
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → (𝑁‘𝑠) ⊆ 𝑉) |
44 | | ssun1 3738 |
. . . . . . . . . . . 12
⊢ 𝑠 ⊆ (𝑠 ∪ {𝑤}) |
45 | 44 | a1i 11 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → 𝑠 ⊆ (𝑠 ∪ {𝑤})) |
46 | | ssun2 3739 |
. . . . . . . . . . . . . 14
⊢ {𝑤} ⊆ (𝑠 ∪ {𝑤}) |
47 | | vsnid 4156 |
. . . . . . . . . . . . . 14
⊢ 𝑤 ∈ {𝑤} |
48 | 46, 47 | sselii 3565 |
. . . . . . . . . . . . 13
⊢ 𝑤 ∈ (𝑠 ∪ {𝑤}) |
49 | 7, 9 | lspssid 18806 |
. . . . . . . . . . . . . . . 16
⊢ ((𝑊 ∈ LMod ∧ 𝑠 ⊆ 𝑉) → 𝑠 ⊆ (𝑁‘𝑠)) |
50 | 41, 38, 49 | syl2anc 691 |
. . . . . . . . . . . . . . 15
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → 𝑠 ⊆ (𝑁‘𝑠)) |
51 | 50 | adantr 480 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → 𝑠 ⊆ (𝑁‘𝑠)) |
52 | | eldifn 3695 |
. . . . . . . . . . . . . . 15
⊢ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) → ¬ 𝑤 ∈ (𝑁‘𝑠)) |
53 | 52 | adantl 481 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → ¬ 𝑤 ∈ (𝑁‘𝑠)) |
54 | 51, 53 | ssneldd 3571 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → ¬ 𝑤 ∈ 𝑠) |
55 | | nelne1 2878 |
. . . . . . . . . . . . 13
⊢ ((𝑤 ∈ (𝑠 ∪ {𝑤}) ∧ ¬ 𝑤 ∈ 𝑠) → (𝑠 ∪ {𝑤}) ≠ 𝑠) |
56 | 48, 54, 55 | sylancr 694 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → (𝑠 ∪ {𝑤}) ≠ 𝑠) |
57 | 56 | necomd 2837 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → 𝑠 ≠ (𝑠 ∪ {𝑤})) |
58 | | df-pss 3556 |
. . . . . . . . . . 11
⊢ (𝑠 ⊊ (𝑠 ∪ {𝑤}) ↔ (𝑠 ⊆ (𝑠 ∪ {𝑤}) ∧ 𝑠 ≠ (𝑠 ∪ {𝑤}))) |
59 | 45, 57, 58 | sylanbrc 695 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → 𝑠 ⊊ (𝑠 ∪ {𝑤})) |
60 | 38 | adantr 480 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → 𝑠 ⊆ 𝑉) |
61 | | eldifi 3694 |
. . . . . . . . . . . . . . . 16
⊢ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) → 𝑤 ∈ 𝑉) |
62 | 61 | adantl 481 |
. . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → 𝑤 ∈ 𝑉) |
63 | 62 | snssd 4281 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → {𝑤} ⊆ 𝑉) |
64 | 60, 63 | unssd 3751 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → (𝑠 ∪ {𝑤}) ⊆ 𝑉) |
65 | | fvex 6113 |
. . . . . . . . . . . . . . 15
⊢
(Base‘𝑊)
∈ V |
66 | 7, 65 | eqeltri 2684 |
. . . . . . . . . . . . . 14
⊢ 𝑉 ∈ V |
67 | 66 | elpw2 4755 |
. . . . . . . . . . . . 13
⊢ ((𝑠 ∪ {𝑤}) ∈ 𝒫 𝑉 ↔ (𝑠 ∪ {𝑤}) ⊆ 𝑉) |
68 | 64, 67 | sylibr 223 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → (𝑠 ∪ {𝑤}) ∈ 𝒫 𝑉) |
69 | 36 | simprd 478 |
. . . . . . . . . . . . . . . 16
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → (𝐶 ⊆ 𝑠 ∧ ∀𝑥 ∈ 𝑠 ¬ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥})))) |
70 | 69 | simpld 474 |
. . . . . . . . . . . . . . 15
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → 𝐶 ⊆ 𝑠) |
71 | 70 | adantr 480 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → 𝐶 ⊆ 𝑠) |
72 | 71, 44 | syl6ss 3580 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → 𝐶 ⊆ (𝑠 ∪ {𝑤})) |
73 | 10 | ad2antrr 758 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → 𝑊 ∈ LVec) |
74 | 38 | adantr 480 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → 𝑠 ⊆ 𝑉) |
75 | 74 | ssdifssd 3710 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → (𝑠 ∖ {𝑥}) ⊆ 𝑉) |
76 | 62 | adantrr 749 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → 𝑤 ∈ 𝑉) |
77 | | simprrr 801 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))) |
78 | | simprrl 800 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → 𝑥 ∈ 𝑠) |
79 | 54 | adantrr 749 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → ¬ 𝑤 ∈ 𝑠) |
80 | | nelne2 2879 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
⊢ ((𝑥 ∈ 𝑠 ∧ ¬ 𝑤 ∈ 𝑠) → 𝑥 ≠ 𝑤) |
81 | 78, 79, 80 | syl2anc 691 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → 𝑥 ≠ 𝑤) |
82 | | nelsn 4159 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ (𝑥 ≠ 𝑤 → ¬ 𝑥 ∈ {𝑤}) |
83 | 81, 82 | syl 17 |
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → ¬ 𝑥 ∈ {𝑤}) |
84 | | disjsn 4192 |
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
⊢ (({𝑤} ∩ {𝑥}) = ∅ ↔ ¬ 𝑥 ∈ {𝑤}) |
85 | 83, 84 | sylibr 223 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → ({𝑤} ∩ {𝑥}) = ∅) |
86 | | disj3 3973 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
⊢ (({𝑤} ∩ {𝑥}) = ∅ ↔ {𝑤} = ({𝑤} ∖ {𝑥})) |
87 | 85, 86 | sylib 207 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → {𝑤} = ({𝑤} ∖ {𝑥})) |
88 | 87 | uneq2d 3729 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → ((𝑠 ∖ {𝑥}) ∪ {𝑤}) = ((𝑠 ∖ {𝑥}) ∪ ({𝑤} ∖ {𝑥}))) |
89 | | difundir 3839 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ ((𝑠 ∪ {𝑤}) ∖ {𝑥}) = ((𝑠 ∖ {𝑥}) ∪ ({𝑤} ∖ {𝑥})) |
90 | 88, 89 | syl6reqr 2663 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → ((𝑠 ∪ {𝑤}) ∖ {𝑥}) = ((𝑠 ∖ {𝑥}) ∪ {𝑤})) |
91 | 90 | fveq2d 6107 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥})) = (𝑁‘((𝑠 ∖ {𝑥}) ∪ {𝑤}))) |
92 | 77, 91 | eleqtrd 2690 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → 𝑥 ∈ (𝑁‘((𝑠 ∖ {𝑥}) ∪ {𝑤}))) |
93 | 69 | simprd 478 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → ∀𝑥 ∈ 𝑠 ¬ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥}))) |
94 | 93 | adantr 480 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → ∀𝑥 ∈ 𝑠 ¬ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥}))) |
95 | | rsp 2913 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢
(∀𝑥 ∈
𝑠 ¬ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥})) → (𝑥 ∈ 𝑠 → ¬ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥})))) |
96 | 94, 78, 95 | sylc 63 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → ¬ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥}))) |
97 | 92, 96 | eldifd 3551 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → 𝑥 ∈ ((𝑁‘((𝑠 ∖ {𝑥}) ∪ {𝑤})) ∖ (𝑁‘(𝑠 ∖ {𝑥})))) |
98 | 7, 17, 9 | lspsolv 18964 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((𝑊 ∈ LVec ∧ ((𝑠 ∖ {𝑥}) ⊆ 𝑉 ∧ 𝑤 ∈ 𝑉 ∧ 𝑥 ∈ ((𝑁‘((𝑠 ∖ {𝑥}) ∪ {𝑤})) ∖ (𝑁‘(𝑠 ∖ {𝑥}))))) → 𝑤 ∈ (𝑁‘((𝑠 ∖ {𝑥}) ∪ {𝑥}))) |
99 | 73, 75, 76, 97, 98 | syl13anc 1320 |
. . . . . . . . . . . . . . . . . . 19
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → 𝑤 ∈ (𝑁‘((𝑠 ∖ {𝑥}) ∪ {𝑥}))) |
100 | | undif1 3995 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((𝑠 ∖ {𝑥}) ∪ {𝑥}) = (𝑠 ∪ {𝑥}) |
101 | 78 | snssd 4281 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → {𝑥} ⊆ 𝑠) |
102 | | ssequn2 3748 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ({𝑥} ⊆ 𝑠 ↔ (𝑠 ∪ {𝑥}) = 𝑠) |
103 | 101, 102 | sylib 207 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → (𝑠 ∪ {𝑥}) = 𝑠) |
104 | 100, 103 | syl5eq 2656 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → ((𝑠 ∖ {𝑥}) ∪ {𝑥}) = 𝑠) |
105 | 104 | fveq2d 6107 |
. . . . . . . . . . . . . . . . . . 19
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → (𝑁‘((𝑠 ∖ {𝑥}) ∪ {𝑥})) = (𝑁‘𝑠)) |
106 | 99, 105 | eleqtrd 2690 |
. . . . . . . . . . . . . . . . . 18
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ (𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠)) ∧ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) → 𝑤 ∈ (𝑁‘𝑠)) |
107 | 106 | expr 641 |
. . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → ((𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))) → 𝑤 ∈ (𝑁‘𝑠))) |
108 | 53, 107 | mtod 188 |
. . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → ¬ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥})))) |
109 | | imnan 437 |
. . . . . . . . . . . . . . . 16
⊢ ((𝑥 ∈ 𝑠 → ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))) ↔ ¬ (𝑥 ∈ 𝑠 ∧ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥})))) |
110 | 108, 109 | sylibr 223 |
. . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → (𝑥 ∈ 𝑠 → ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥})))) |
111 | 110 | ralrimiv 2948 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → ∀𝑥 ∈ 𝑠 ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))) |
112 | | difssd 3700 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → (𝑠 ∖ {𝑤}) ⊆ 𝑠) |
113 | 7, 9 | lspss 18805 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝑊 ∈ LMod ∧ 𝑠 ⊆ 𝑉 ∧ (𝑠 ∖ {𝑤}) ⊆ 𝑠) → (𝑁‘(𝑠 ∖ {𝑤})) ⊆ (𝑁‘𝑠)) |
114 | 41, 38, 112, 113 | syl3anc 1318 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → (𝑁‘(𝑠 ∖ {𝑤})) ⊆ (𝑁‘𝑠)) |
115 | 114 | adantr 480 |
. . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → (𝑁‘(𝑠 ∖ {𝑤})) ⊆ (𝑁‘𝑠)) |
116 | 115, 53 | ssneldd 3571 |
. . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → ¬ 𝑤 ∈ (𝑁‘(𝑠 ∖ {𝑤}))) |
117 | | vex 3176 |
. . . . . . . . . . . . . . . 16
⊢ 𝑤 ∈ V |
118 | | id 22 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑥 = 𝑤 → 𝑥 = 𝑤) |
119 | | sneq 4135 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (𝑥 = 𝑤 → {𝑥} = {𝑤}) |
120 | 119 | difeq2d 3690 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (𝑥 = 𝑤 → ((𝑠 ∪ {𝑤}) ∖ {𝑥}) = ((𝑠 ∪ {𝑤}) ∖ {𝑤})) |
121 | | difun2 4000 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((𝑠 ∪ {𝑤}) ∖ {𝑤}) = (𝑠 ∖ {𝑤}) |
122 | 120, 121 | syl6eq 2660 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑥 = 𝑤 → ((𝑠 ∪ {𝑤}) ∖ {𝑥}) = (𝑠 ∖ {𝑤})) |
123 | 122 | fveq2d 6107 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑥 = 𝑤 → (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥})) = (𝑁‘(𝑠 ∖ {𝑤}))) |
124 | 118, 123 | eleq12d 2682 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑥 = 𝑤 → (𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥})) ↔ 𝑤 ∈ (𝑁‘(𝑠 ∖ {𝑤})))) |
125 | 124 | notbid 307 |
. . . . . . . . . . . . . . . 16
⊢ (𝑥 = 𝑤 → (¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥})) ↔ ¬ 𝑤 ∈ (𝑁‘(𝑠 ∖ {𝑤})))) |
126 | 117, 125 | ralsn 4169 |
. . . . . . . . . . . . . . 15
⊢
(∀𝑥 ∈
{𝑤} ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥})) ↔ ¬ 𝑤 ∈ (𝑁‘(𝑠 ∖ {𝑤}))) |
127 | 116, 126 | sylibr 223 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → ∀𝑥 ∈ {𝑤} ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))) |
128 | | ralun 3757 |
. . . . . . . . . . . . . 14
⊢
((∀𝑥 ∈
𝑠 ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥})) ∧ ∀𝑥 ∈ {𝑤} ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))) → ∀𝑥 ∈ (𝑠 ∪ {𝑤}) ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))) |
129 | 111, 127,
128 | syl2anc 691 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → ∀𝑥 ∈ (𝑠 ∪ {𝑤}) ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))) |
130 | 72, 129 | jca 553 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → (𝐶 ⊆ (𝑠 ∪ {𝑤}) ∧ ∀𝑥 ∈ (𝑠 ∪ {𝑤}) ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥})))) |
131 | | sseq2 3590 |
. . . . . . . . . . . . . 14
⊢ (𝑧 = (𝑠 ∪ {𝑤}) → (𝐶 ⊆ 𝑧 ↔ 𝐶 ⊆ (𝑠 ∪ {𝑤}))) |
132 | | difeq1 3683 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑧 = (𝑠 ∪ {𝑤}) → (𝑧 ∖ {𝑥}) = ((𝑠 ∪ {𝑤}) ∖ {𝑥})) |
133 | 132 | fveq2d 6107 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑧 = (𝑠 ∪ {𝑤}) → (𝑁‘(𝑧 ∖ {𝑥})) = (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))) |
134 | 133 | eleq2d 2673 |
. . . . . . . . . . . . . . . 16
⊢ (𝑧 = (𝑠 ∪ {𝑤}) → (𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})) ↔ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥})))) |
135 | 134 | notbid 307 |
. . . . . . . . . . . . . . 15
⊢ (𝑧 = (𝑠 ∪ {𝑤}) → (¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})) ↔ ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥})))) |
136 | 135 | raleqbi1dv 3123 |
. . . . . . . . . . . . . 14
⊢ (𝑧 = (𝑠 ∪ {𝑤}) → (∀𝑥 ∈ 𝑧 ¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥})) ↔ ∀𝑥 ∈ (𝑠 ∪ {𝑤}) ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥})))) |
137 | 131, 136 | anbi12d 743 |
. . . . . . . . . . . . 13
⊢ (𝑧 = (𝑠 ∪ {𝑤}) → ((𝐶 ⊆ 𝑧 ∧ ∀𝑥 ∈ 𝑧 ¬ 𝑥 ∈ (𝑁‘(𝑧 ∖ {𝑥}))) ↔ (𝐶 ⊆ (𝑠 ∪ {𝑤}) ∧ ∀𝑥 ∈ (𝑠 ∪ {𝑤}) ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) |
138 | 137, 2 | elrab2 3333 |
. . . . . . . . . . . 12
⊢ ((𝑠 ∪ {𝑤}) ∈ 𝑆 ↔ ((𝑠 ∪ {𝑤}) ∈ 𝒫 𝑉 ∧ (𝐶 ⊆ (𝑠 ∪ {𝑤}) ∧ ∀𝑥 ∈ (𝑠 ∪ {𝑤}) ¬ 𝑥 ∈ (𝑁‘((𝑠 ∪ {𝑤}) ∖ {𝑥}))))) |
139 | 68, 130, 138 | sylanbrc 695 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → (𝑠 ∪ {𝑤}) ∈ 𝑆) |
140 | | simplrr 797 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡) |
141 | | psseq2 3657 |
. . . . . . . . . . . . 13
⊢ (𝑡 = (𝑠 ∪ {𝑤}) → (𝑠 ⊊ 𝑡 ↔ 𝑠 ⊊ (𝑠 ∪ {𝑤}))) |
142 | 141 | notbid 307 |
. . . . . . . . . . . 12
⊢ (𝑡 = (𝑠 ∪ {𝑤}) → (¬ 𝑠 ⊊ 𝑡 ↔ ¬ 𝑠 ⊊ (𝑠 ∪ {𝑤}))) |
143 | 142 | rspcv 3278 |
. . . . . . . . . . 11
⊢ ((𝑠 ∪ {𝑤}) ∈ 𝑆 → (∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡 → ¬ 𝑠 ⊊ (𝑠 ∪ {𝑤}))) |
144 | 139, 140,
143 | sylc 63 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) ∧ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) → ¬ 𝑠 ⊊ (𝑠 ∪ {𝑤})) |
145 | 59, 144 | pm2.65da 598 |
. . . . . . . . 9
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → ¬ 𝑤 ∈ (𝑉 ∖ (𝑁‘𝑠))) |
146 | 145 | eq0rdv 3931 |
. . . . . . . 8
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → (𝑉 ∖ (𝑁‘𝑠)) = ∅) |
147 | | ssdif0 3896 |
. . . . . . . 8
⊢ (𝑉 ⊆ (𝑁‘𝑠) ↔ (𝑉 ∖ (𝑁‘𝑠)) = ∅) |
148 | 146, 147 | sylibr 223 |
. . . . . . 7
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → 𝑉 ⊆ (𝑁‘𝑠)) |
149 | 43, 148 | eqssd 3585 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → (𝑁‘𝑠) = 𝑉) |
150 | 10 | adantr 480 |
. . . . . . 7
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → 𝑊 ∈ LVec) |
151 | 7, 8, 9 | islbs2 18975 |
. . . . . . 7
⊢ (𝑊 ∈ LVec → (𝑠 ∈ 𝐽 ↔ (𝑠 ⊆ 𝑉 ∧ (𝑁‘𝑠) = 𝑉 ∧ ∀𝑥 ∈ 𝑠 ¬ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥}))))) |
152 | 150, 151 | syl 17 |
. . . . . 6
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → (𝑠 ∈ 𝐽 ↔ (𝑠 ⊆ 𝑉 ∧ (𝑁‘𝑠) = 𝑉 ∧ ∀𝑥 ∈ 𝑠 ¬ 𝑥 ∈ (𝑁‘(𝑠 ∖ {𝑥}))))) |
153 | 38, 149, 93, 152 | mpbir3and 1238 |
. . . . 5
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → 𝑠 ∈ 𝐽) |
154 | 153, 70 | jca 553 |
. . . 4
⊢ ((𝜑 ∧ (𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡)) → (𝑠 ∈ 𝐽 ∧ 𝐶 ⊆ 𝑠)) |
155 | 154 | ex 449 |
. . 3
⊢ (𝜑 → ((𝑠 ∈ 𝑆 ∧ ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡) → (𝑠 ∈ 𝐽 ∧ 𝐶 ⊆ 𝑠))) |
156 | 155 | reximdv2 2997 |
. 2
⊢ (𝜑 → (∃𝑠 ∈ 𝑆 ∀𝑡 ∈ 𝑆 ¬ 𝑠 ⊊ 𝑡 → ∃𝑠 ∈ 𝐽 𝐶 ⊆ 𝑠)) |
157 | 26, 156 | mpd 15 |
1
⊢ (𝜑 → ∃𝑠 ∈ 𝐽 𝐶 ⊆ 𝑠) |