Index - F
| Fail | Predicate |
| FailCase | Predicate |
| FailCatch | Predicate |
| FailIfT | UtilP, Predicate |
| FailP | UtilP, Predicate |
| Failp | Predicate |
| FailPrt | Predicate |
| FailPrt2 | Predicate |
| FailS | Predicate |
| FailT | UtilP, Predicate |
| Failt | Predicate |
| FalseP | UtilP, Predicate |
| FalseT | UtilP, Predicate |
| FHandle | Predicate |
| FileExists | Predicate |
| FilterBy | Predicate |
| First | Predicate |
| Firstline | UtilP, Predicate |
| fixBoolT | UtilP, Predicate |
| fixit | UtilP, Predicate |
| fixLite | UtilP, Predicate |
| fixPresentP | UtilP, Predicate |
| FlipT | UtilP, Predicate |
| Floor | Predicate |
| Floor' | Predicate |
| Fmap_1 | Predicate |
| Fmap_2 | Predicate |
| FnT | Predicate |
| Foldl | Predicate |
| FoldMap | Predicate |
| FoldN | Predicate |
| formatList | UtilP, Predicate |
| FormatTimeP | Predicate |
| FOther | Predicate |
| FromEnum | Predicate |
| FromInteger | Predicate |
| FromInteger' | Predicate |
| FromIntegerP | Predicate |
| FromIntegral | Predicate |
| FromIntegral' | Predicate |
| FromList | Predicate |
| FromListF | Predicate |
| FromN | UtilP, Predicate |
| FromRational | Predicate |
| FromRational' | Predicate |
| FromStringP | Predicate |
| FromStringP' | Predicate |
| fromTT | UtilP, Predicate |
| fromTTH | UtilP, Predicate |
| Fst | Predicate |
| FStderr | Predicate |
| FStdout | Predicate |