Index - E
| Either | CorePrelude, BasicPrelude |
| either | CorePrelude, BasicPrelude |
| elem | BasicPrelude |
| elemIndex | BasicPrelude |
| elemIndices | BasicPrelude |
| empty | BasicPrelude |
| encodeFloat | CorePrelude, BasicPrelude |
| encodeUtf8 | BasicPrelude |
| Enum | CorePrelude, BasicPrelude |
| enumFrom | CorePrelude, BasicPrelude |
| enumFromThen | CorePrelude, BasicPrelude |
| enumFromThenTo | CorePrelude, BasicPrelude |
| enumFromTo | CorePrelude, BasicPrelude |
| eofErrorType | CorePrelude, BasicPrelude |
| EQ | CorePrelude, BasicPrelude |
| Eq | CorePrelude, BasicPrelude |
| equating | CorePrelude, BasicPrelude |
| error | CorePrelude, BasicPrelude |
| even | CorePrelude, BasicPrelude |
| Exception | CorePrelude, BasicPrelude |
| exp | CorePrelude, BasicPrelude |
| exponent | CorePrelude, BasicPrelude |