Copeland

Violation of Stability for Winners

Profile type: Profile
Config: 5 c, 4 v
Parameters:

Stability for Winners violation for Copeland.
3 wins without 2 in the election and is majority preferred to 2 but loses when 2 is included:
+---+---+---+---+
| 1 | 1 | 1 | 1 |
+---+---+---+---+
| 2 | 3 | 3 | 4 |
| 4 | 2 | 2 | 0 |
| 1 | 0 | 1 | 1 |
| 0 | 1 | 0 | 3 |
| 3 | 4 | 4 | 2 |
+---+---+---+---+
Profile([[2, 4, 1, 0, 3], [3, 2, 0, 1, 4], [3, 2, 1, 0, 4], [4, 0, 1, 3, 2]], rcounts=[1, 1, 1, 1], cmap={0: '0', 1: '1', 2: '2', 3: '3', 4: '4'})
Winners in full election: [2]
Winners in election without 2: [0, 1, 3, 4]