Logical
| Timestream.and_ | Return the logical conjunction of this Timestream and rhs. |
| Timestream.or_ | Return the logical disjunction of this Timestream and rhs. |
| Timestream.not_ | Return the logical negation of this Timestream. |
| Timestream.and_ | Return the logical conjunction of this Timestream and rhs. |
| Timestream.or_ | Return the logical disjunction of this Timestream and rhs. |
| Timestream.not_ | Return the logical negation of this Timestream. |