t other functions?

<P>How do things acquire--and lose--their functions? How do or could functions
originate, develop, evolve, diminish, or disappear?

<P>How do different functions compare? What are all of the ways of comparing
all functions? What functions are identical, equivalent, analogous, or
related to what other functions? What functions differ or diverge from,
or are opposite to, what other functions? What are all of the degrees,
bases, circumstances, and implications of these things?

<P>What are 