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Tony Finch <dot@dotat.at> writes:

> On Tue, 30 Nov 2010, David Kastrup wrote:
>>
>> And of course I want exactly one of the following to hold for any
>> definite pair of numbers:
>>
>> a<b, a>b, a==b
>
> In IEEE754 a and b can also be unordered.

"definite pair of numbers".

>> And I want a<=b to be the same as (a<b or a==b) and as not (a>b).
>
> You're out of luck there :-) The former is true but not the latter.

"definite pair of numbers".

-- 
David Kastrup