Bill Page wrote:
>
> Here is my patch against op.spad.pamphlet. Besides 'applyQuote' chunk
> it also contains another small change relating to the earlier change
> in FriCAS that separated the concept of 'OrderedSet' from the concept
> of an internal system defined ordering implemented by the category
> 'Comparable'. The problem showed up when I wanted to use some
> functions from op in the case of an 'Expression(R)' where R has
> Comparable but not OrderedSet., e.g. 'Expression Boolean'
>
Could you say which functions you tried to use and what problems
you have met? I must admit that in general I would prefer to
limit use of ordering (either form 'OrderedSet' or from
'Comparable'). The change you propose effectively transfers
ordering form 'Comparable' to ordering of constant operators.
I wonder why do you need such ordering?
--
Waldek Hebisch
[email protected]
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