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Mirrors > Home > MPE Home > Th. List > df-spthson | Structured version Visualization version Unicode version |
Description: Define the collection of simple paths with particular endpoints (in an undirected graph). (Contributed by Alexander van der Vekens, 1-Mar-2018.) (Revised by AV, 9-Jan-2021.) |
Ref | Expression |
---|---|
df-spthson | SPathsOn Vtx Vtx TrailsOn SPaths |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cspthson 26611 | . 2 SPathsOn | |
2 | vg | . . 3 | |
3 | cvv 3200 | . . 3 | |
4 | va | . . . 4 | |
5 | vb | . . . 4 | |
6 | 2 | cv 1482 | . . . . 5 |
7 | cvtx 25874 | . . . . 5 Vtx | |
8 | 6, 7 | cfv 5888 | . . . 4 Vtx |
9 | vf | . . . . . . . 8 | |
10 | 9 | cv 1482 | . . . . . . 7 |
11 | vp | . . . . . . . 8 | |
12 | 11 | cv 1482 | . . . . . . 7 |
13 | 4 | cv 1482 | . . . . . . . 8 |
14 | 5 | cv 1482 | . . . . . . . 8 |
15 | ctrlson 26588 | . . . . . . . . 9 TrailsOn | |
16 | 6, 15 | cfv 5888 | . . . . . . . 8 TrailsOn |
17 | 13, 14, 16 | co 6650 | . . . . . . 7 TrailsOn |
18 | 10, 12, 17 | wbr 4653 | . . . . . 6 TrailsOn |
19 | cspths 26609 | . . . . . . . 8 SPaths | |
20 | 6, 19 | cfv 5888 | . . . . . . 7 SPaths |
21 | 10, 12, 20 | wbr 4653 | . . . . . 6 SPaths |
22 | 18, 21 | wa 384 | . . . . 5 TrailsOn SPaths |
23 | 22, 9, 11 | copab 4712 | . . . 4 TrailsOn SPaths |
24 | 4, 5, 8, 8, 23 | cmpt2 6652 | . . 3 Vtx Vtx TrailsOn SPaths |
25 | 2, 3, 24 | cmpt 4729 | . 2 Vtx Vtx TrailsOn SPaths |
26 | 1, 25 | wceq 1483 | 1 SPathsOn Vtx Vtx TrailsOn SPaths |
Colors of variables: wff setvar class |
This definition is referenced by: spthson 26637 spthonprop 26641 |
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