t-vectors or coordinate tuples, regarded
more as codes than as mathematical vectors.

JC: The meanings associated with S_7, S_8, and S_9 are not crisp.
    Is it possible to make these assertions crisp?   When they
    are made crisp, will they become redundant to earlier
    members of the series?

Is it possible to make the meaning of the word &quot;crisp&quot; crisp?
I studied fuzzy set theory when it first hit the streets,
but do not recognize much trace of that in the usages
that I am hearing lately, e