Index - N
| negate | Control.Monad.Constrained, Control.Monad.Constrained.Ap |
| not | Control.Monad.Constrained, Control.Monad.Constrained.Ap |
| notElem | Control.Monad.Constrained, Control.Monad.Constrained.Ap |
| Nothing | Control.Monad.Constrained, Control.Monad.Constrained.Ap |
| null | Control.Monad.Constrained, Control.Monad.Constrained.Ap |
| Num | Control.Monad.Constrained, Control.Monad.Constrained.Ap |