From: Dave Zachariah (davez@KTH.SE)
Date: Thu Jan 10 2008 - 09:05:04 EST
Ian H wrote: > How you define the growth of a relation is matter > of theoretical requirements: in common sense > terms you can say that a relation grows if the > number of things related by it grows. Parenthood > grows if the number of children grows (the > typical case) or if the number of parents grows. Yes, that was my conclusion too using a more precise definition of "relation" as subset of Cartesian products of sets: The quantitative growth of a relation is an increase of the cardinality of this set.
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