Index - I
| id | Papa.Prelude |
| init | Papa.Prelude |
| Int | Papa.Prelude |
| Integer | Papa.Prelude |
| Integral | Papa.Prelude |
| interact | Papa.Prelude |
| IO | Papa.Prelude |
| IOError | Papa.Prelude |
| ioError | Papa.Prelude |
| isDenormalized | Papa.Prelude |
| isIEEE | Papa.Prelude |
| isInfinite | Papa.Prelude |
| isNaN | Papa.Prelude |
| isNegativeZero | Papa.Prelude |
| iterate | Papa.Prelude |