| Case | Predicate.Prelude, Predicate |
| Case' | Predicate.Prelude, Predicate |
| Case'' | Predicate.Prelude, Predicate |
| Caseless | Predicate.Util, Predicate |
| Catch | Predicate.Prelude, Predicate |
| Catch' | Predicate.Prelude, Predicate |
| catchit | Predicate.Util, Predicate |
| catchitNF | Predicate.Util, Predicate |
| CatMaybes | Predicate.Prelude, Predicate |
| CC11 | Predicate.Refined3Helper |
| cc11 | Predicate.Refined3Helper |
| Ccn | Predicate.Refined3Helper |
| ccn | Predicate.Refined3Helper |
| ccn' | Predicate.Refined3Helper |
| Ceiling | Predicate.Prelude, Predicate |
| Ceiling' | Predicate.Prelude, Predicate |
| CEq | Predicate.Util, Predicate |
| CGe | Predicate.Util, Predicate |
| CGt | Predicate.Util, Predicate |
| Char1 | Predicate.Prelude, Predicate |
| CLe | Predicate.Util, Predicate |
| CLt | Predicate.Util, Predicate |
| Cmp | Predicate.Prelude, Predicate |
| CmpI | Predicate.Prelude, Predicate |
| CNe | Predicate.Util, Predicate |
| Coerce | Predicate.Prelude, Predicate |
| Coerce2 | Predicate.Prelude, Predicate |
| color0 | Predicate.Util, Predicate |
| color1 | Predicate.Util, Predicate |
| color2 | Predicate.Util, Predicate |
| color3 | Predicate.Util, Predicate |
| color4 | Predicate.Util, Predicate |
| colorMe | Predicate.Util, Predicate |
| compileRegex | Predicate.Util, Predicate |
| Concat | Predicate.Prelude, Predicate |
| ConcatMap | Predicate.Prelude, Predicate |
| ConsT | Predicate.Util, Predicate |
| convertRefined3TP | Predicate.Refined3 |
| convertRefinedT | Predicate.Refined |
| Cycle | Predicate.Prelude, Predicate |