| http://www.w3.org/ns/prov#value | - For example, if you want a class object X such that print X emits Time is now 8:46am (at 8:46 am, or, more generally, the current time) this must mean that type(x) (AKA X's metaclass) has a special custom __str__ method -- and similarly (with the various applicable special-methods) if you want to give meaning to expressions such as X + Y where X and Y are both class objects, or X[23] (where X,
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