placed
at higher levels of complexity, constraint, information, and organization
have with those that are placed at the associated lower levels, I introduce
the following pair of definitions:

The j^th &quot;excerpt&quot; of a stricture of the form &quot;S_1 x ... x S_k&quot;, regarded
within a frame of discussion where the number of places is limited to k,
is the stricture of the form &quot;X x ... x S_j x ... x X&quot;.  In the proper
context, this can be written more succinctly as the stricture &quot;S_j