[EM] Who defined the Smith set

[Steve Eppley]

Hi,

> The Smith set certainly has lots of names. It´s the Smith set, 
> the minimal dominant set, and now the GeTCha set too.

I usually call it the top cycle.  The disadvantage of this name 
is that when there's a Condorcet Winner, the "top cycle" is 
not a cycle.

--Steve