Sorry, but I'd been away from EM for quite a while, and I made a small mis-statement, when quoting my definition of sincere voting:
Instead of saying "contradict a preference", I should have said "falsify a preference". To falsify a preference is to vote X over Y without preferring X to Y. [end of definition of falsifying a preference] So let me write the definition of sincere voting, with that correction: A voter votes sincerely if s/he votes without falsifying a preference of hirs, or failing to vote a preference of hirs that the balloting system in use would have allowed hir to vote in addition to the preferences that she actually votes. [end of definition of sincere voting]
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