Index - I
| id | CorePrelude, BasicPrelude |
| init | BasicPrelude |
| inits | BasicPrelude |
| insert | BasicPrelude |
| insertBy | BasicPrelude |
| Int | CorePrelude, BasicPrelude |
| Int32 | CorePrelude, BasicPrelude |
| Int64 | CorePrelude, BasicPrelude |
| Integer | CorePrelude, BasicPrelude |
| Integral | CorePrelude, BasicPrelude |
| interact | BasicPrelude |
| intercalate | BasicPrelude |
| intersect | BasicPrelude |
| intersectBy | BasicPrelude |
| intersperse | BasicPrelude |
| IO | CorePrelude, BasicPrelude |
| IOError | BasicPrelude |
| ioError | BasicPrelude |
| isDenormalized | CorePrelude, BasicPrelude |
| isIEEE | CorePrelude, BasicPrelude |
| isInfinite | CorePrelude, BasicPrelude |
| isInfixOf | BasicPrelude |
| isNaN | CorePrelude, BasicPrelude |
| isNegativeZero | CorePrelude, BasicPrelude |
| isPrefixOf | BasicPrelude |
| isSuffixOf | BasicPrelude |
| iterate | BasicPrelude |