e materials
    that are needed for these constructions have been illustrated
    in concrete form throughout the presentation of examples in
    this Section.  An overall survey of their principles can
    be summed up as follows:

    a.  One integration heuristic is the &quot;lattice&quot; metaphor, frequently
        called the &quot;partial order&quot; or the &quot;common denominator&quot; paradigm.
        When IF's can be objectified as OF's that are organized according
        to the principles of s