Index - C
| CAX | Data.TPTP | 
| Ceiling | Data.TPTP | 
| CEQ | Data.TPTP | 
| Clause | |
| 1 (Type/Class) | Data.TPTP | 
| 2 (Data Constructor) | Data.TPTP | 
| clause | |
| 1 (Function) | Data.TPTP | 
| 2 (Function) | Data.TPTP.Parse.Combinators | 
| CNF | Data.TPTP | 
| CNF_ | Data.TPTP | 
| Conjecture | Data.TPTP | 
| Conjunction | Data.TPTP | 
| Connected | Data.TPTP | 
| Connective | Data.TPTP | 
| Corollary | Data.TPTP | 
| Creator | Data.TPTP | 
| CRf | Data.TPTP | 
| CSA | Data.TPTP | 
| CSP | Data.TPTP | 
| CTH | Data.TPTP | 
| CUP | Data.TPTP |