From: "John W. Kennedy" <jwkenne@...>
Date: 2006-10-09T03:20:22+09:00
Subject: Re: nil being empty

ara.t.howard@noaa.gov wrote:
> On Sun, 8 Oct 2006, Robert Dober wrote:
> 
>> On 10/8/06, Hal Fulton <hal9000@hypermetrics.com> wrote:
>>>
>>>
>>> I do agree that making nil return true for #empty? is the
>>> wrong solution.
>>
>>
>> Then by simple logic, the right solution will be to have it return false
> 
> na, read up on godel - every boolean language/situation also has a class of
> maybe/unknowable/paradox.  this falls there.

Not so. A system has to reach a certain level of complexity for G�del to 
kick in. Arithmetic reaches that level. Boolean algebra does not.

-- 
John W. Kennedy
"The blind rulers of Logres
Nourished the land on a fallacy of rational virtue."
   -- Charles Williams.  "Taliessin through Logres: Prelude"