Yes, and Ye Dic spells it out:

m"(-r) y is equivalent to m"(0>.(#$y)-r)"_

Note the final "_

Henry Rich

On 6/2/2013 8:55 PM, Roger Hui wrote:
v b. 0 reports the on what the system thinks are the monadic, left, and
right ranks, and those ranks are always positive.  The following phrase
shows another way that 0"_1 has infinite rank.

​
    <@(0"_1) i.2 3
┌───┐
│0 0│
└───┘

​When the "combining ranks" of a verb are negative, the interpretation is
nasty and counterintuitive.  Some of the nastiness were discussed in APL
papers from the late 1980s.​



On Sun, Jun 2, 2013 at 5:10 PM, Raul Miller <[email protected]> wrote:

I think

    0"_1 b. 0
_

I think that result should be _1 _1 _1

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