| I | PlutusTx |
| id | PlutusTx.Base, PlutusTx.Prelude |
| IfStuckRep | PlutusTx.Blueprint.Definition.TF |
| IfStuckUnroll | PlutusTx.Blueprint.Definition.TF |
| ifThenElse | PlutusTx.Builtins.Internal |
| IgnoredAnnotation | PlutusTx.Coverage |
| ignoredAnnotations | PlutusTx.Coverage |
| Imaginary | PlutusTx.Sqrt |
| ImpossibleDeserialisationFailure | |
| 1 (Type/Class) | PlutusTx.Code |
| 2 (Data Constructor) | PlutusTx.Code |
| indexBuiltinList | PlutusTx.List, PlutusTx.Prelude |
| indexByteString | |
| 1 (Function) | PlutusTx.Builtins.Internal |
| 2 (Function) | PlutusTx.Builtins, PlutusTx.Prelude |
| indexTooLargeError | PlutusTx.ErrorCodes |
| Insert | PlutusTx.Blueprint.Definition.TF |
| insert | |
| 1 (Function) | PlutusTx.Data.AssocMap |
| 2 (Function) | PlutusTx.AssocMap |
| Integer | PlutusTx.Integer, PlutusTx.Builtins, PlutusTx.Prelude |
| IntegerSchema | PlutusTx.Blueprint.Schema, PlutusTx.Blueprint |
| integerToByteString | |
| 1 (Function) | PlutusTx.Builtins.Internal |
| 2 (Function) | PlutusTx.Builtins, PlutusTx.Prelude |
| inv | PlutusTx.Monoid, PlutusTx.Prelude |
| isJust | PlutusTx.Maybe, PlutusTx.Prelude |
| isLeft | PlutusTx.Either, PlutusTx.Prelude |
| isNothing | PlutusTx.Maybe, PlutusTx.Prelude |
| isqrt | PlutusTx.Sqrt |
| isRight | PlutusTx.Either, PlutusTx.Prelude |