Richard A. O'Keefe wrote:
>...

> In fact, that's one way to test whether something is a NaN:
> 
>     Float>>isNaN
>         ^self ~= self

Is it true, that we could have
  aNaN == aNaN & (aNaN ~= aNaN) -> true
(identity but not equality) here?

Interesting case...

Greetings
Stephan

> ...