Yes, this is reasonably readable. Besides familiarity issues,
the embellishment of @: may be perceived as excessive.
> reasonably fluent J readers would find the following easier to
> parse/understand:
> isMunchausen =: = +/@:^~@:digits
Sometimes horizontal space may be used for grouping:
isMunchausen=: = +/ @: ^~ @: digits
Note also, no space is expected before =: unless aligned vertically
in a group of lines. Doing so the meaning of copula is made distinct
from the other primitives.
> From: "Sherlock, Ric" <[email protected]>
>
> > From: Tracy Harms
> >
> > ...
> > So it is that I put here the following J with a request for
> > descriptions of the reading experience. How clear is it to you what is
> > going on, as you look through this? Perhaps more interesting, *how* is
> > it clear to you?
> >
> > 3435 = +/ ^~ 3 4 3 5
> > 1
> >
> > digits =: 10&#.^:_1
> > o =: @:
> > isMunchausen =: = +/ o ^~ o digits
> >
> > isMunchausen 3435
> > 1
> >
> > isMunchX =: verb :'y = +/ ^~ digits y'
> > ...
>
> This seems pretty straight forward and clear to me.
> Perhaps the thing that I find hardest in the tacit version is the use of "o"
> to
> represent "@:" (requires an extra level of mental substitution). I think
> most
> reasonably fluent J readers would find the following easier to
> parse/understand:
> isMunchausen =: = +/@:^~@:digits
>
> ... which is more obviously a 2-verb train (hook)
>
> However I imagine someone not familiar with J would find that more
> intimidating.
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