If every voter’s preference between X and Y remains unchanged, then the group’s preference between X and Y will also remain unchanged (even if voters’ preferences between other pairs like X and Z, Y and Z, or Z and W change).
This is the condition I want to give up on. I’m not even convinced that it’s desirable.
This is the condition I want to give up on. I’m not even convinced that it’s desirable.
Something like independence of irrelevant alternatives or, at least, independence of clones is necessary to avoid spoiler effect, otherwise one can get situations like this one.
Yes I think independence of clones is quite strongly desirable.