Index - B
| backwards | Twee.Rule |
| bothSides | Twee.Equation |
| bound | Twee.Term, Twee.Base |
| boundList | Twee.Term, Twee.Base |
| boundLists | Twee.Term, Twee.Base |
| braces | Twee.Pretty, Twee.Base |
| brackets | Twee.Pretty, Twee.Base |
| Branch | |
| 1 (Type/Class) | Twee.Constraints |
| 2 (Data Constructor) | Twee.Constraints |
| branches | Twee.Constraints |
| Build | Twee.Term, Twee.Base |
| build | Twee.Term, Twee.Base |
| Builder | Twee.Term, Twee.Base |
| builder | Twee.Term, Twee.Base |
| BuilderOf | Twee.Base |
| BuildFun | Twee.Term, Twee.Base |
| buildList | Twee.Term, Twee.Base |
| buildReplacePositionSub | Twee.CP |