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ZOO.  Discussion Note 4

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I still have a lot of nitty-gritty work to do in this ZOO
before we get up to the storeys that those who build from
the penthouse down find it their fashion to condominimize,
but maybe it would provide a bit of motivation if I pause
to note one or two more of the grander themes that we can
already see in entelectual embryo within these precursive
overtures.  Two of the more salient themes are as follows:

   1.  E