On Mon, May 19, 2014 at 04:01:52PM +0000, Simon King wrote:
> Multiplication? I always think of words as elements of a free group, of
> course multiplicatively written. Hence, concatenation of words w1,...,wn
> would be prod([w1,w2,...,wn]).
Indeed.
`+` works too for concatenation of words, which is consistent with
Python strings. But sum does not. Oh well.
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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