Re: Existence, Self-identity and Uniqueness.



On Thu, 28 Dec 2006, Jan Burse wrote:
William Elliot wrote:
More bother ensues with quantifies, to show the definition is
invariant over quantifiers or even for H(ixF(x), ixG(x)) that
the order of applying the definition to F and G grants identical
or equivalent results.

The order shouldn't matter so much, as
the preconds stack up via conjunctions,
which is associative, commutative and
indepodent...

It's all part of showing that ambuigity applying the definition makes no
difference. That the definition is robust as regards its fluid notation.
.



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