very set that needs
to be thought of by means of enumeration, or the making
of explicit lists, and so it is necessary to muster up
many assemblies by rule -- but what is a rule, anyway?
And here we face the whole abstract/concrete question
all over again.  A nominal thinker of the extremely
dedicated sort will say:  &quot;A rule is just a writ&quot;.
But that &quot;writ&quot; must be taken quite literally as
written out:  bull, certificate, dictum, edict,
instruction, order, program, recipe, warrant,
et cet