Index - O
| O | Prelude.Type |
| Odd | |
| 1 (Type/Class) | Prelude.Type.Families |
| 2 (Type/Class) | Prelude.Type |
| One | Prelude.Type.Integer, Prelude.Type.Families, Prelude.Type |
| Ones | Prelude.Type.Integer, Prelude.Type.Families, Prelude.Type |
| Or | |
| 1 (Type/Class) | Prelude.Type.Families |
| 2 (Type/Class) | Prelude.Type |
| Ordering | Prelude.Type.Families, Prelude.Type |
| Otherwise | Prelude.Type |