Step | Hyp | Ref
| Expression |
1 | | df-clwwlk 28247 |
. . 3
⊢ ClWWalks
= (𝑔 ∈ V ↦
{𝑤 ∈ Word
(Vtx‘𝑔) ∣
(𝑤 ≠ ∅ ∧
∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝑔) ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ (Edg‘𝑔))}) |
2 | | fveq2 6756 |
. . . . . 6
⊢ (𝑔 = 𝐺 → (Vtx‘𝑔) = (Vtx‘𝐺)) |
3 | | clwwlk.v |
. . . . . 6
⊢ 𝑉 = (Vtx‘𝐺) |
4 | 2, 3 | eqtr4di 2797 |
. . . . 5
⊢ (𝑔 = 𝐺 → (Vtx‘𝑔) = 𝑉) |
5 | | wrdeq 14167 |
. . . . 5
⊢
((Vtx‘𝑔) =
𝑉 → Word
(Vtx‘𝑔) = Word 𝑉) |
6 | 4, 5 | syl 17 |
. . . 4
⊢ (𝑔 = 𝐺 → Word (Vtx‘𝑔) = Word 𝑉) |
7 | | fveq2 6756 |
. . . . . . . 8
⊢ (𝑔 = 𝐺 → (Edg‘𝑔) = (Edg‘𝐺)) |
8 | | clwwlk.e |
. . . . . . . 8
⊢ 𝐸 = (Edg‘𝐺) |
9 | 7, 8 | eqtr4di 2797 |
. . . . . . 7
⊢ (𝑔 = 𝐺 → (Edg‘𝑔) = 𝐸) |
10 | 9 | eleq2d 2824 |
. . . . . 6
⊢ (𝑔 = 𝐺 → ({(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝑔) ↔ {(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸)) |
11 | 10 | ralbidv 3120 |
. . . . 5
⊢ (𝑔 = 𝐺 → (∀𝑖 ∈ (0..^((♯‘𝑤) − 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝑔) ↔ ∀𝑖 ∈ (0..^((♯‘𝑤) − 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸)) |
12 | 9 | eleq2d 2824 |
. . . . 5
⊢ (𝑔 = 𝐺 → ({(lastS‘𝑤), (𝑤‘0)} ∈ (Edg‘𝑔) ↔ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸)) |
13 | 11, 12 | 3anbi23d 1437 |
. . . 4
⊢ (𝑔 = 𝐺 → ((𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝑔) ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ (Edg‘𝑔)) ↔ (𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸 ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸))) |
14 | 6, 13 | rabeqbidv 3410 |
. . 3
⊢ (𝑔 = 𝐺 → {𝑤 ∈ Word (Vtx‘𝑔) ∣ (𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ (Edg‘𝑔) ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ (Edg‘𝑔))} = {𝑤 ∈ Word 𝑉 ∣ (𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸 ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸)}) |
15 | | id 22 |
. . 3
⊢ (𝐺 ∈ V → 𝐺 ∈ V) |
16 | 3 | fvexi 6770 |
. . . . 5
⊢ 𝑉 ∈ V |
17 | 16 | a1i 11 |
. . . 4
⊢ (𝐺 ∈ V → 𝑉 ∈ V) |
18 | | wrdexg 14155 |
. . . 4
⊢ (𝑉 ∈ V → Word 𝑉 ∈ V) |
19 | | rabexg 5250 |
. . . 4
⊢ (Word
𝑉 ∈ V → {𝑤 ∈ Word 𝑉 ∣ (𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸 ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸)} ∈ V) |
20 | 17, 18, 19 | 3syl 18 |
. . 3
⊢ (𝐺 ∈ V → {𝑤 ∈ Word 𝑉 ∣ (𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸 ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸)} ∈ V) |
21 | 1, 14, 15, 20 | fvmptd3 6880 |
. 2
⊢ (𝐺 ∈ V →
(ClWWalks‘𝐺) = {𝑤 ∈ Word 𝑉 ∣ (𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸 ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸)}) |
22 | | fvprc 6748 |
. . 3
⊢ (¬
𝐺 ∈ V →
(ClWWalks‘𝐺) =
∅) |
23 | | noel 4261 |
. . . . . . . 8
⊢ ¬
{(lastS‘𝑤), (𝑤‘0)} ∈
∅ |
24 | | fvprc 6748 |
. . . . . . . . . 10
⊢ (¬
𝐺 ∈ V →
(Edg‘𝐺) =
∅) |
25 | 8, 24 | syl5eq 2791 |
. . . . . . . . 9
⊢ (¬
𝐺 ∈ V → 𝐸 = ∅) |
26 | 25 | eleq2d 2824 |
. . . . . . . 8
⊢ (¬
𝐺 ∈ V →
({(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸 ↔ {(lastS‘𝑤), (𝑤‘0)} ∈ ∅)) |
27 | 23, 26 | mtbiri 326 |
. . . . . . 7
⊢ (¬
𝐺 ∈ V → ¬
{(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸) |
28 | 27 | adantr 480 |
. . . . . 6
⊢ ((¬
𝐺 ∈ V ∧ 𝑤 ∈ Word 𝑉) → ¬ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸) |
29 | 28 | intn3an3d 1479 |
. . . . 5
⊢ ((¬
𝐺 ∈ V ∧ 𝑤 ∈ Word 𝑉) → ¬ (𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸 ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸)) |
30 | 29 | ralrimiva 3107 |
. . . 4
⊢ (¬
𝐺 ∈ V →
∀𝑤 ∈ Word 𝑉 ¬ (𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸 ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸)) |
31 | | rabeq0 4315 |
. . . 4
⊢ ({𝑤 ∈ Word 𝑉 ∣ (𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸 ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸)} = ∅ ↔ ∀𝑤 ∈ Word 𝑉 ¬ (𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸 ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸)) |
32 | 30, 31 | sylibr 233 |
. . 3
⊢ (¬
𝐺 ∈ V → {𝑤 ∈ Word 𝑉 ∣ (𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸 ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸)} = ∅) |
33 | 22, 32 | eqtr4d 2781 |
. 2
⊢ (¬
𝐺 ∈ V →
(ClWWalks‘𝐺) = {𝑤 ∈ Word 𝑉 ∣ (𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸 ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸)}) |
34 | 21, 33 | pm2.61i 182 |
1
⊢
(ClWWalks‘𝐺) =
{𝑤 ∈ Word 𝑉 ∣ (𝑤 ≠ ∅ ∧ ∀𝑖 ∈
(0..^((♯‘𝑤)
− 1)){(𝑤‘𝑖), (𝑤‘(𝑖 + 1))} ∈ 𝐸 ∧ {(lastS‘𝑤), (𝑤‘0)} ∈ 𝐸)} |