This is a long known fact and an artifact of tolerant comparison.  There is
no need to involve sorting to demonstrate non-intuitive behavior.

   t=: 2^_44
   x=: 1 + t * 16 %~ ?100$128

   # ~. x {~ ?~ # x
4
   # ~. x {~ ?~ # x
3
   # ~. x {~ ?~ # x
5
   # ~. x {~ ?~ # x
4





On Mon, Mar 31, 2014 at 11:50 AM, Henry Rich <[email protected]> wrote:

>    a
> 1 1 1 1 1
>    /:~ ~. a
> 1 1 1
>    ~. /:~ a
> 1
>
>
> I'm just saying.
>
> Henry Rich
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