Talk:Free semigroup

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Cheers for tidying this up a bit, but one comment. I deliberately avoided saying alphabet in the first paragraph since this wod is usually reserved for finite sets, while free semigroups and monoids are defined over sets of arbitrary cardinality - compare with the last paragraph. If you don't disagree I'll remove the reference from the first paragraph. Best wishes, Cambyses 16:10, 13 Mar 2004 (UTC)