"Bill Page" <[EMAIL PROTECTED]> writes:

[...]

| > Bill Page writes:
| > ...
| > | 
| > | All domains that have SetCategory are required to have a hash
| > | into SmallInteger.
| > 
| > That is not a mathematical requirement.
| >
| 
| I would tend to agree but perhaps Kurt Gödel would not have... ;-)

>From constructive mathematics point of view, the only things that are
required for a set are:

  (1) say how to build element of a set
  (2) equality test.

-- Gaby


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