Wandering far off topic, ergo changing the topic from 'Truth': (01)
A comment on the comment of Doug F.:
>> However, one would stretch to come up with what
>"an instance of the
>> planet Venus" would be. (02)
This touches on an ontological issue that concerns me for several reasons:
possible worlds. (03)
Consider the planet Venus in each of the Sci-Fi novels in which the planet is
described - it can have different properties, therefore is in fact a different
individual.
Likewise if we live in a multiverse that forks for each collapse of an
entangled quantum system (lots of 'em!). (04)
So one can have 'ThePlanetVenusInAnyPossibleWorld' as a class. If each
ontology is restricted to one possible world, then Venus would be an individual
in that world (I think) but in general ... ? (05)
How does Cyc represent such a class? (06)
Pat (07)
Patrick Cassidy
cassidy@xxxxxxxxx
908-561-3416 (08)
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