Raul asked:
> What are "superfluous" parens, in this context?
A sentence s0 contains superfluous parens if parens can be removed to produce
a sentence s1 such that s1 -:&". s0 . IOW, it depends on (the nameclasses
of the words in) your argument.
I will study your solution in more detail; I like that it's iterative instead
of recursive. I note that your final verb's elegance can be increased slightly
with the use of &. . To wit:
( ([: ~.@; <@[EMAIL PROTECTED]&a:"1)^:_@,: )&.;:
-Dan
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