Index - I
| Identity | |
| 1 (Data Constructor) | Protolude |
| 2 (Type/Class) | Protolude |
| identity | Protolude |
| ifM | Bool, Protolude |
| imagPart | Protolude |
| IndexOutOfBounds | Protolude |
| infinity | Base, Protolude |
| Infix | Protolude |
| initDef | Protolude |
| initMay | Protolude |
| inits | Protolude |
| initSafe | Protolude |
| Int | Base, Protolude |
| Int16 | Protolude |
| int2Double | Base, Protolude |
| int2Float | Base, Protolude |
| Int32 | Protolude |
| Int64 | Protolude |
| Int8 | Protolude |
| Integer | Base, Protolude |
| integerLogBase | Base, Protolude |
| integerToInt | Base, Protolude |
| integerToWord | Base, Protolude |
| Integral | Base, Protolude |
| integralEnumFrom | Base, Protolude |
| integralEnumFromThen | Base, Protolude |
| integralEnumFromThenTo | Base, Protolude |
| integralEnumFromTo | Base, Protolude |
| interact | Protolude |
| intercalate | Protolude |
| interruptible | Protolude |
| intersperse | Protolude |
| IntMap | Protolude |
| IntSet | Protolude |
| IO | Base, Protolude |
| ioError | Protolude |
| IOException | Protolude |
| IOMode | Protolude |
| isCurrentThreadBound | Protolude |
| isDenormalized | Base, Protolude |
| isDoubleDenormalized | Base, Protolude |
| isDoubleFinite | Base, Protolude |
| isDoubleInfinite | Base, Protolude |
| isDoubleNaN | Base, Protolude |
| isDoubleNegativeZero | Base, Protolude |
| isEmptyChan | Protolude |
| isEmptyMVar | Protolude |
| isFloatDenormalized | Base, Protolude |
| isFloatFinite | Base, Protolude |
| isFloatInfinite | Base, Protolude |
| isFloatNaN | Base, Protolude |
| isFloatNegativeZero | Base, Protolude |
| isIEEE | Base, Protolude |
| isInfinite | Base, Protolude |
| isJust | Protolude |
| IsLabel | Base, Protolude |
| isLeft | Protolude |
| isNaN | Base, Protolude |
| isNegativeZero | Base, Protolude |
| isNothing | Protolude |
| isPrefixOf | Protolude |
| isRight | Protolude |
| isSigned | Protolude |
| IsString | Protolude |
| iterate | Protolude |