[EM] IRV inconsistency

[Bart Ingles]

Forest Simmons wrote:
> 
> Here's an inconsistency of IRV that I wish somebody had told me about
> before I submitted my article to the Green Voice.
> 
> It is possible for a candidate to "win" every precinct without winning the
> election.

The property not being met here is actually called "consistency", if I'm
not mistaken.  Approval, Plurality, and Borda are consistent, but not
many others.  Maybe some variants of those three.