[r6rs-discuss] [Formal] Unclear how equality predicates behave on NaN

John Cowan cowan at ccil.org
Wed Sep 20 10:53:26 EDT 2006


Marcin 'Qrczak' Kowalczyk scripsit:

> Ok. But currently R6RS doesn't guarantee that (eqv? x x) when x
> is NaN, and it should.

True.  Indeed, it should guarantee that on Leibnitzian grounds
(the identity of indiscernibles) for x of any type whatsoever.

-- 
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