represents an entity whose qualifier qual has value val.
represents an entity whose qualifiers quali have values vali.
represents an entity qualified by quantity.
- An entity is generally specified as Entity[type,canonicalname]. A list of currently available entity types is given by EntityValue.
- Entity expressions can be created by using the interface.
- A qualifier quali can be any property qualifier of any EntityProperty of entity, a QuantityVariable, or a Function argument.