Re: SUO: The Plumbing Theorem(s)
Pat,
I agree:
>An excellent analogy for following the graph-theoretic result, but
>not one that translates into questions of relational reducibility.
True. I was just getting tired of this discussion, and I was
hoping to wrap it up.
>True. Actually they do make tetrads, in the form of a cross, for
>convenience in tight spaces, but they are usually only used by
>professionals.
I agree, and related arguments could be made for using
relations with 4 or more arguments when convenient.
John