| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > df-cplgr | Structured version Visualization version GIF version | ||
| Description: Define the class of all complete "graphs". A class/graph is called complete if every pair of distinct vertices is connected by an edge, i.e., each vertex has all other vertices as neighbors or, in other words, each vertex is a universal vertex. (Contributed by AV, 24-Oct-2020.) (Revised by TA, 15-Feb-2022.) |
| Ref | Expression |
|---|---|
| df-cplgr | ⊢ ComplGraph = {𝑔 ∣ (UnivVtx‘𝑔) = (Vtx‘𝑔)} |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ccplgr 29343 | . 2 class ComplGraph | |
| 2 | vg | . . . . . 6 setvar 𝑔 | |
| 3 | 2 | cv 1539 | . . . . 5 class 𝑔 |
| 4 | cuvtx 29319 | . . . . 5 class UnivVtx | |
| 5 | 3, 4 | cfv 6514 | . . . 4 class (UnivVtx‘𝑔) |
| 6 | cvtx 28930 | . . . . 5 class Vtx | |
| 7 | 3, 6 | cfv 6514 | . . . 4 class (Vtx‘𝑔) |
| 8 | 5, 7 | wceq 1540 | . . 3 wff (UnivVtx‘𝑔) = (Vtx‘𝑔) |
| 9 | 8, 2 | cab 2708 | . 2 class {𝑔 ∣ (UnivVtx‘𝑔) = (Vtx‘𝑔)} |
| 10 | 1, 9 | wceq 1540 | 1 wff ComplGraph = {𝑔 ∣ (UnivVtx‘𝑔) = (Vtx‘𝑔)} |
| Colors of variables: wff setvar class |
| This definition is referenced by: cplgruvtxb 29347 |
| Copyright terms: Public domain | W3C validator |