Index - N
| negate | Prelude.Source.GHC.Num, Prelude.Number.Num, Prelude.Number |
| not | Prelude.Source.GHC.Classes |
| notElem | Prelude.Source.GHC.List, Prelude.List.Total, Prelude.List |
| Nothing | Prelude.Source.Data.Maybe, Prelude.Basic |
| null | Prelude.Source.GHC.List, Prelude.List.Total, Prelude.List |
| Num | Prelude.Source.GHC.Num, Prelude.Number.Num, Prelude.Number |