Index - E
| EitherB | Predicate |
| EitherIn | Predicate |
| EitherX | Predicate |
| EitherXT | Predicate |
| Elem | Predicate |
| ElemAll | Predicate |
| EmptyT | Predicate |
| EnumFromTo | Predicate |
| eval | Predicate |
| eval3 | Refined3 |
| eval3M | Refined3 |
| eval3P | Refined3 |
| eval3PX | Refined3 |
| eval3X | Refined3 |
| evalBinStrict | UtilP |
| evalBool | Predicate |
| evalQuick | Predicate |
| Even | Predicate |
| ExitWhen | Predicate |
| ExitWhen' | Predicate |
| Extended | UtilP |
| Extra | UtilP |
| Extract | Predicate |
| ExtractT | Predicate |