| Step | Hyp | Ref
| Expression |
| 1 | | c0ex 11201 |
. . . . . . 7
⊢ 0 ∈
V |
| 2 | 1 | tpid1 4735 |
. . . . . 6
⊢ 0 ∈
{0, 1, 2} |
| 3 | 2 | orci 878 |
. . . . 5
⊢ (0 ∈
{0, 1, 2} ∨ 0 ∈ {3, 4, 5}) |
| 4 | | elun 4108 |
. . . . 5
⊢ (0 ∈
({0, 1, 2} ∪ {3, 4, 5}) ↔ (0 ∈ {0, 1, 2} ∨ 0 ∈ {3, 4,
5})) |
| 5 | 3, 4 | mpbir 234 |
. . . 4
⊢ 0 ∈
({0, 1, 2} ∪ {3, 4, 5}) |
| 6 | | 1eltp012 12312 |
. . . . . 6
⊢ 1 ∈
{0, 1, 2} |
| 7 | 6 | orci 878 |
. . . . 5
⊢ (1 ∈
{0, 1, 2} ∨ 1 ∈ {3, 4, 5}) |
| 8 | | elun 4108 |
. . . . 5
⊢ (1 ∈
({0, 1, 2} ∪ {3, 4, 5}) ↔ (1 ∈ {0, 1, 2} ∨ 1 ∈ {3, 4,
5})) |
| 9 | 7, 8 | mpbir 234 |
. . . 4
⊢ 1 ∈
({0, 1, 2} ∪ {3, 4, 5}) |
| 10 | | 2ex 12319 |
. . . . . . 7
⊢ 2 ∈
V |
| 11 | 10 | tpid3 4740 |
. . . . . 6
⊢ 2 ∈
{0, 1, 2} |
| 12 | 11 | orci 878 |
. . . . 5
⊢ (2 ∈
{0, 1, 2} ∨ 2 ∈ {3, 4, 5}) |
| 13 | | elun 4108 |
. . . . 5
⊢ (2 ∈
({0, 1, 2} ∪ {3, 4, 5}) ↔ (2 ∈ {0, 1, 2} ∨ 2 ∈ {3, 4,
5})) |
| 14 | 12, 13 | mpbir 234 |
. . . 4
⊢ 2 ∈
({0, 1, 2} ∪ {3, 4, 5}) |
| 15 | 5, 9, 14 | 3pm3.2i 1358 |
. . 3
⊢ (0 ∈
({0, 1, 2} ∪ {3, 4, 5}) ∧ 1 ∈ ({0, 1, 2} ∪ {3, 4, 5}) ∧ 2
∈ ({0, 1, 2} ∪ {3, 4, 5})) |
| 16 | | eqid 2763 |
. . . 4
⊢ {0, 1, 2}
= {0, 1, 2} |
| 17 | | ex-hash 30782 |
. . . 4
⊢
(♯‘{0, 1, 2}) = 3 |
| 18 | | prex 5411 |
. . . . . . . . . 10
⊢ {0, 1}
∈ V |
| 19 | 18 | tpid1 4735 |
. . . . . . . . 9
⊢ {0, 1}
∈ {{0, 1}, {0, 2}, {1, 2}} |
| 20 | 19 | orci 878 |
. . . . . . . 8
⊢ ({0, 1}
∈ {{0, 1}, {0, 2}, {1, 2}} ∨ {0, 1} ∈ {{3, 4}, {3, 5}, {4,
5}}) |
| 21 | | elun 4108 |
. . . . . . . 8
⊢ ({0, 1}
∈ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}}) ↔ ({0, 1}
∈ {{0, 1}, {0, 2}, {1, 2}} ∨ {0, 1} ∈ {{3, 4}, {3, 5}, {4,
5}})) |
| 22 | 20, 21 | mpbir 234 |
. . . . . . 7
⊢ {0, 1}
∈ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}}) |
| 23 | 22 | olci 879 |
. . . . . 6
⊢ ({0, 1}
∈ {{0, 3}} ∨ {0, 1} ∈ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3,
5}, {4, 5}})) |
| 24 | | elun 4108 |
. . . . . 6
⊢ ({0, 1}
∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})) ↔ ({0, 1} ∈ {{0, 3}} ∨ {0, 1} ∈ ({{0, 1}, {0, 2}, {1,
2}} ∪ {{3, 4}, {3, 5}, {4, 5}}))) |
| 25 | 23, 24 | mpbir 234 |
. . . . 5
⊢ {0, 1}
∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})) |
| 26 | | prex 5411 |
. . . . . . . . . 10
⊢ {0, 2}
∈ V |
| 27 | 26 | tpid2 4737 |
. . . . . . . . 9
⊢ {0, 2}
∈ {{0, 1}, {0, 2}, {1, 2}} |
| 28 | 27 | orci 878 |
. . . . . . . 8
⊢ ({0, 2}
∈ {{0, 1}, {0, 2}, {1, 2}} ∨ {0, 2} ∈ {{3, 4}, {3, 5}, {4,
5}}) |
| 29 | | elun 4108 |
. . . . . . . 8
⊢ ({0, 2}
∈ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}}) ↔ ({0, 2}
∈ {{0, 1}, {0, 2}, {1, 2}} ∨ {0, 2} ∈ {{3, 4}, {3, 5}, {4,
5}})) |
| 30 | 28, 29 | mpbir 234 |
. . . . . . 7
⊢ {0, 2}
∈ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}}) |
| 31 | 30 | olci 879 |
. . . . . 6
⊢ ({0, 2}
∈ {{0, 3}} ∨ {0, 2} ∈ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3,
5}, {4, 5}})) |
| 32 | | elun 4108 |
. . . . . 6
⊢ ({0, 2}
∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})) ↔ ({0, 2} ∈ {{0, 3}} ∨ {0, 2} ∈ ({{0, 1}, {0, 2}, {1,
2}} ∪ {{3, 4}, {3, 5}, {4, 5}}))) |
| 33 | 31, 32 | mpbir 234 |
. . . . 5
⊢ {0, 2}
∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})) |
| 34 | | prex 5411 |
. . . . . . . . . 10
⊢ {1, 2}
∈ V |
| 35 | 34 | tpid3 4740 |
. . . . . . . . 9
⊢ {1, 2}
∈ {{0, 1}, {0, 2}, {1, 2}} |
| 36 | 35 | orci 878 |
. . . . . . . 8
⊢ ({1, 2}
∈ {{0, 1}, {0, 2}, {1, 2}} ∨ {1, 2} ∈ {{3, 4}, {3, 5}, {4,
5}}) |
| 37 | | elun 4108 |
. . . . . . . 8
⊢ ({1, 2}
∈ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}}) ↔ ({1, 2}
∈ {{0, 1}, {0, 2}, {1, 2}} ∨ {1, 2} ∈ {{3, 4}, {3, 5}, {4,
5}})) |
| 38 | 36, 37 | mpbir 234 |
. . . . . . 7
⊢ {1, 2}
∈ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}}) |
| 39 | 38 | olci 879 |
. . . . . 6
⊢ ({1, 2}
∈ {{0, 3}} ∨ {1, 2} ∈ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3,
5}, {4, 5}})) |
| 40 | | elun 4108 |
. . . . . 6
⊢ ({1, 2}
∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})) ↔ ({1, 2} ∈ {{0, 3}} ∨ {1, 2} ∈ ({{0, 1}, {0, 2}, {1,
2}} ∪ {{3, 4}, {3, 5}, {4, 5}}))) |
| 41 | 39, 40 | mpbir 234 |
. . . . 5
⊢ {1, 2}
∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})) |
| 42 | 25, 33, 41 | 3pm3.2i 1358 |
. . . 4
⊢ ({0, 1}
∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})) ∧ {0, 2} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3,
4}, {3, 5}, {4, 5}})) ∧ {1, 2} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1,
2}} ∪ {{3, 4}, {3, 5}, {4, 5}}))) |
| 43 | 16, 17, 42 | 3pm3.2i 1358 |
. . 3
⊢ ({0, 1,
2} = {0, 1, 2} ∧ (♯‘{0, 1, 2}) = 3 ∧ ({0, 1} ∈ ({{0,
3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {0,
2} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})) ∧ {1, 2} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3,
4}, {3, 5}, {4, 5}})))) |
| 44 | | tpeq1 4709 |
. . . . . 6
⊢ (𝑥 = 0 → {𝑥, 𝑦, 𝑧} = {0, 𝑦, 𝑧}) |
| 45 | 44 | eqeq2d 2774 |
. . . . 5
⊢ (𝑥 = 0 → ({0, 1, 2} = {𝑥, 𝑦, 𝑧} ↔ {0, 1, 2} = {0, 𝑦, 𝑧})) |
| 46 | | preq1 4700 |
. . . . . . 7
⊢ (𝑥 = 0 → {𝑥, 𝑦} = {0, 𝑦}) |
| 47 | 46 | eleq1d 2848 |
. . . . . 6
⊢ (𝑥 = 0 → ({𝑥, 𝑦} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ↔ {0, 𝑦} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})))) |
| 48 | | preq1 4700 |
. . . . . . 7
⊢ (𝑥 = 0 → {𝑥, 𝑧} = {0, 𝑧}) |
| 49 | 48 | eleq1d 2848 |
. . . . . 6
⊢ (𝑥 = 0 → ({𝑥, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ↔ {0, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})))) |
| 50 | | biidd 265 |
. . . . . 6
⊢ (𝑥 = 0 → ({𝑦, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ↔ {𝑦, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})))) |
| 51 | 47, 49, 50 | 3anbi123d 1464 |
. . . . 5
⊢ (𝑥 = 0 → (({𝑥, 𝑦} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑥, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑦, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}}))) ↔ ({0, 𝑦} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {0, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑦, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}}))))) |
| 52 | 45, 51 | 3anbi13d 1466 |
. . . 4
⊢ (𝑥 = 0 → (({0, 1, 2} = {𝑥, 𝑦, 𝑧} ∧ (♯‘{0, 1, 2}) = 3 ∧
({𝑥, 𝑦} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑥, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑦, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})))) ↔ ({0, 1, 2} = {0, 𝑦, 𝑧} ∧ (♯‘{0, 1, 2}) = 3 ∧
({0, 𝑦} ∈ ({{0, 3}}
∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {0,
𝑧} ∈ ({{0, 3}} ∪
({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑦, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})))))) |
| 53 | | tpeq2 4710 |
. . . . . 6
⊢ (𝑦 = 1 → {0, 𝑦, 𝑧} = {0, 1, 𝑧}) |
| 54 | 53 | eqeq2d 2774 |
. . . . 5
⊢ (𝑦 = 1 → ({0, 1, 2} = {0,
𝑦, 𝑧} ↔ {0, 1, 2} = {0, 1, 𝑧})) |
| 55 | | preq2 4701 |
. . . . . . 7
⊢ (𝑦 = 1 → {0, 𝑦} = {0, 1}) |
| 56 | 55 | eleq1d 2848 |
. . . . . 6
⊢ (𝑦 = 1 → ({0, 𝑦} ∈ ({{0, 3}} ∪ ({{0,
1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ↔ {0, 1} ∈ ({{0,
3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})))) |
| 57 | | preq1 4700 |
. . . . . . 7
⊢ (𝑦 = 1 → {𝑦, 𝑧} = {1, 𝑧}) |
| 58 | 57 | eleq1d 2848 |
. . . . . 6
⊢ (𝑦 = 1 → ({𝑦, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ↔ {1, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})))) |
| 59 | 56, 58 | 3anbi13d 1466 |
. . . . 5
⊢ (𝑦 = 1 → (({0, 𝑦} ∈ ({{0, 3}} ∪ ({{0,
1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {0, 𝑧} ∈ ({{0, 3}} ∪ ({{0,
1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑦, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}}))) ↔ ({0, 1} ∈ ({{0, 3}} ∪
({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {0, 𝑧} ∈ ({{0, 3}} ∪ ({{0,
1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {1, 𝑧} ∈ ({{0, 3}} ∪ ({{0,
1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}}))))) |
| 60 | 54, 59 | 3anbi13d 1466 |
. . . 4
⊢ (𝑦 = 1 → (({0, 1, 2} = {0,
𝑦, 𝑧} ∧ (♯‘{0, 1, 2}) = 3 ∧
({0, 𝑦} ∈ ({{0, 3}}
∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {0,
𝑧} ∈ ({{0, 3}} ∪
({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑦, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})))) ↔ ({0, 1, 2} = {0, 1, 𝑧} ∧ (♯‘{0, 1,
2}) = 3 ∧ ({0, 1} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪
{{3, 4}, {3, 5}, {4, 5}})) ∧ {0, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {1, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})))))) |
| 61 | | tpeq3 4711 |
. . . . . 6
⊢ (𝑧 = 2 → {0, 1, 𝑧} = {0, 1, 2}) |
| 62 | 61 | eqeq2d 2774 |
. . . . 5
⊢ (𝑧 = 2 → ({0, 1, 2} = {0, 1,
𝑧} ↔ {0, 1, 2} = {0,
1, 2})) |
| 63 | | biidd 265 |
. . . . . 6
⊢ (𝑧 = 2 → ({0, 1} ∈ ({{0,
3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ↔ {0,
1} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})))) |
| 64 | | preq2 4701 |
. . . . . . 7
⊢ (𝑧 = 2 → {0, 𝑧} = {0, 2}) |
| 65 | 64 | eleq1d 2848 |
. . . . . 6
⊢ (𝑧 = 2 → ({0, 𝑧} ∈ ({{0, 3}} ∪ ({{0,
1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ↔ {0, 2} ∈ ({{0,
3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})))) |
| 66 | | preq2 4701 |
. . . . . . 7
⊢ (𝑧 = 2 → {1, 𝑧} = {1, 2}) |
| 67 | 66 | eleq1d 2848 |
. . . . . 6
⊢ (𝑧 = 2 → ({1, 𝑧} ∈ ({{0, 3}} ∪ ({{0,
1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ↔ {1, 2} ∈ ({{0,
3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})))) |
| 68 | 63, 65, 67 | 3anbi123d 1464 |
. . . . 5
⊢ (𝑧 = 2 → (({0, 1} ∈
({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}}))
∧ {0, 𝑧} ∈ ({{0,
3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {1,
𝑧} ∈ ({{0, 3}} ∪
({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}}))) ↔ ({0, 1}
∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})) ∧ {0, 2} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3,
4}, {3, 5}, {4, 5}})) ∧ {1, 2} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1,
2}} ∪ {{3, 4}, {3, 5}, {4, 5}}))))) |
| 69 | 62, 68 | 3anbi13d 1466 |
. . . 4
⊢ (𝑧 = 2 → (({0, 1, 2} = {0, 1,
𝑧} ∧ (♯‘{0,
1, 2}) = 3 ∧ ({0, 1} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪
{{3, 4}, {3, 5}, {4, 5}})) ∧ {0, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {1, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})))) ↔ ({0, 1, 2} = {0, 1, 2} ∧
(♯‘{0, 1, 2}) = 3 ∧ ({0, 1} ∈ ({{0, 3}} ∪ ({{0, 1},
{0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {0, 2} ∈ ({{0, 3}}
∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {1, 2}
∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})))))) |
| 70 | 52, 60, 69 | rspc3ev 3599 |
. . 3
⊢ (((0
∈ ({0, 1, 2} ∪ {3, 4, 5}) ∧ 1 ∈ ({0, 1, 2} ∪ {3, 4, 5})
∧ 2 ∈ ({0, 1, 2} ∪ {3, 4, 5})) ∧ ({0, 1, 2} = {0, 1, 2} ∧
(♯‘{0, 1, 2}) = 3 ∧ ({0, 1} ∈ ({{0, 3}} ∪ ({{0, 1},
{0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {0, 2} ∈ ({{0, 3}}
∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {1, 2}
∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}}))))) → ∃𝑥
∈ ({0, 1, 2} ∪ {3, 4, 5})∃𝑦 ∈ ({0, 1, 2} ∪ {3, 4,
5})∃𝑧 ∈ ({0, 1,
2} ∪ {3, 4, 5})({0, 1, 2} = {𝑥, 𝑦, 𝑧} ∧ (♯‘{0, 1, 2}) = 3 ∧
({𝑥, 𝑦} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑥, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑦, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}}))))) |
| 71 | 15, 43, 70 | mp2an 704 |
. 2
⊢
∃𝑥 ∈ ({0,
1, 2} ∪ {3, 4, 5})∃𝑦 ∈ ({0, 1, 2} ∪ {3, 4,
5})∃𝑧 ∈ ({0, 1,
2} ∪ {3, 4, 5})({0, 1, 2} = {𝑥, 𝑦, 𝑧} ∧ (♯‘{0, 1, 2}) = 3 ∧
({𝑥, 𝑦} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑥, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑦, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})))) |
| 72 | | usgrexmpl1.v |
. . . . 5
⊢ 𝑉 = (0...5) |
| 73 | | usgrexmpl1.e |
. . . . 5
⊢ 𝐸 = 〈“{0, 1} {0, 2}
{1, 2} {0, 3} {3, 4} {3, 5} {4, 5}”〉 |
| 74 | | usgrexmpl1.g |
. . . . 5
⊢ 𝐺 = 〈𝑉, 𝐸〉 |
| 75 | 72, 73, 74 | usgrexmpl1vtx 48765 |
. . . 4
⊢
(Vtx‘𝐺) = ({0,
1, 2} ∪ {3, 4, 5}) |
| 76 | 75 | eqcomi 2772 |
. . 3
⊢ ({0, 1,
2} ∪ {3, 4, 5}) = (Vtx‘𝐺) |
| 77 | 72, 73, 74 | usgrexmpl1edg 48766 |
. . . 4
⊢
(Edg‘𝐺) =
({{0, 3}} ∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4,
5}})) |
| 78 | 77 | eqcomi 2772 |
. . 3
⊢ ({{0, 3}}
∪ ({{0, 1}, {0, 2}, {1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) =
(Edg‘𝐺) |
| 79 | 76, 78 | isgrtri 48685 |
. 2
⊢ ({0, 1,
2} ∈ (GrTriangles‘𝐺) ↔ ∃𝑥 ∈ ({0, 1, 2} ∪ {3, 4,
5})∃𝑦 ∈ ({0, 1,
2} ∪ {3, 4, 5})∃𝑧
∈ ({0, 1, 2} ∪ {3, 4, 5})({0, 1, 2} = {𝑥, 𝑦, 𝑧} ∧ (♯‘{0, 1, 2}) = 3 ∧
({𝑥, 𝑦} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑥, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}})) ∧ {𝑦, 𝑧} ∈ ({{0, 3}} ∪ ({{0, 1}, {0, 2},
{1, 2}} ∪ {{3, 4}, {3, 5}, {4, 5}}))))) |
| 80 | 71, 79 | mpbir 234 |
1
⊢ {0, 1, 2}
∈ (GrTriangles‘𝐺) |