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The mind-game came out a bit mind-blowing thanks to a typo. Heres a fix: [Jonathan Borden] >>What is the myth? "isa" links have been used forever. A "name" is a >>character string, right, what is open to interpretation? But please tell me >>about this "thing" that is different from its "name". I suspect that if you >>can describe it with enough precision that the answer to these issues will >>become apparent. For example do you wish to describe each and every element >>that exists in the entire universe as a distinct "it" that "has-a" set of >>properties. That would be tedious. And phenomenological to boot. Mind game: Imagine a UML tool where all classes are instances of a single uber-class with an attribute called "type". Feeling queasy yet? Try Smalltalk:-) Sean
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