On Tue, Nov 16, 2010 at 4:03 AM, bill lam <[email protected]> wrote:
>> For example, why is this not appropriate?
>>    suspDyad=: (<,'x') e. (<1 7) {.@|:@{:: 13!:13
>
> from Henry's example, the 'x' is always there.

I do not see the whole of Henry's example, so I do not
know what you are talking about.  But I can easily show
that 'x' is not always there:

   A=: 1 :('u y';':';'x u y')
   + A 'g'

-- 
Raul
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