Just a quibble with terminology: 'item' means _1-cell.  That concept 
does not apply here.  If you define 'l-cell' to be the left rank of the 
verb, and 'r-cell' the right rank, you could say

...it loops through all the l-cells of x, then for each of those, all 
the r-cells of y...

Henry Rich

On 11/4/2011 12:13 AM, Marshall Lochbaum wrote:
> * has rank 0 already, so it isn't necessary. The definition of / is that it
> applies the verb with rank (left rank),_ . Essentially, this means that it
> loops through all the items of x, then for each of those, all the items of
> y, where an "item" is an item with the left rank of the verb. If you try
> magic/~ a with magic having rank _ (because it's a fork), you just get (a
> magic"_ _"_ _ a), which simply applies magic regularly.
>
> Marshall
>
> On Thu, Nov 3, 2011 at 11:57 PM, Ricardo Forno<[email protected]>wrote:
>
>> I have this verb:
>> magic =: * %>:@(+:@*) - +
>> that I use only as a dyad, and, say,
>> a =: 0.1 * i. 10
>> If I want to get a table of the * verb, I  write:
>> a * / a
>> If I write
>> a magic / a
>> I dont get a table. To get a table, I have to write:
>> a magic"0 / a
>> Why is it so, since both * and magic may be used as dyads?
>> Thanks.
>>
>>
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