Index - I
| inputFileName | Advent.Input, Advent |
| inRange | Advent.SmallSet |
| insert | |
| 1 (Function) | Advent.PQueue |
| 2 (Function) | Advent.SmallSet |
| intersectBox | Advent.Box |
| intersectBoxes | Advent.Box |
| intersection | Advent.SmallSet |
| inverse | Advent.Group |
| invert | |
| 1 (Function) | Advent.Coord |
| 2 (Function) | Advent.Permutation |
| invert' | Advent.Coord |
| isValid | Advent.Permutation |