| Identity | |
| 1 (Data Constructor) | Protolude |
| 2 (Type/Class) | Protolude |
| identity | Protolude |
| ifM | Protolude.Bool, Protolude |
| ignore | Protolude |
| imagPart | Protolude |
| IndexOutOfBounds | Protolude |
| infinity | Protolude.Base, Protolude |
| Infix | Protolude |
| InfixI | Protolude |
| init | Protolude.Partial |
| initDef | Protolude.Safe, Protolude |
| initMay | Protolude.Safe, Protolude |
| inits | Protolude |
| initSafe | Protolude.Safe, Protolude |
| Int | Protolude.Base, Protolude |
| Int16 | Protolude |
| Int32 | Protolude |
| Int64 | Protolude |
| Int8 | Protolude |
| Integer | Protolude.Base, Protolude |
| Integral | Protolude.Base, Protolude |
| integralEnumFrom | Protolude.Base, Protolude |
| integralEnumFromThen | Protolude.Base, Protolude |
| integralEnumFromThenTo | Protolude.Base, Protolude |
| integralEnumFromTo | Protolude.Base, Protolude |
| interact | Protolude |
| intercalate | Protolude |
| interruptible | Protolude |
| intersperse | Protolude |
| IntMap | Protolude |
| IntPtr | Protolude |
| IntSet | Protolude |
| intToDigit | Protolude |
| IO | Protolude.Base, Protolude |
| ioError | Protolude |
| IOException | Protolude |
| IOMode | Protolude |
| isAlpha | Protolude |
| isAlphaNum | Protolude |
| isAscii | Protolude |
| isControl | Protolude |
| isCurrentThreadBound | Protolude |
| isDenormalized | Protolude.Base, Protolude |
| isDigit | Protolude |
| isEmptyMVar | Protolude |
| isHexDigit | Protolude |
| isIEEE | Protolude.Base, Protolude |
| isInfinite | Protolude.Base, Protolude |
| isJust | Protolude |
| IsLabel | Protolude.Base, Protolude |
| isLeft | Protolude |
| isLetter | Protolude |
| isLower | Protolude |
| isNaN | Protolude.Base, Protolude |
| isNegativeZero | Protolude.Base, Protolude |
| isNewtype | Protolude |
| isNothing | Protolude |
| isPrefixOf | Protolude |
| isPrint | Protolude |
| isRight | Protolude |
| isSigned | Protolude |
| isSpace | Protolude |
| IsString | Protolude |
| isUpper | Protolude |
| iterate | Protolude |