Talk:Arrow's impossibility theorem: Difference between revisions
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Could you choose one of the options above? Thanks! -- [[User:RobLa|RobLa]] ([[User talk:RobLa|talk]]) 04:00, 17 March 2020 (UTC)
: I am not going to read that forum. It is too hard to follow the flow to get any information out. It seems all you want is proof that Arrow's theorem does not apply to cardinal methods. I will choose your option C. How about a quote from arrow saying exactly that?
''Now there’s another possible way of thinking about it, which is not included in my theorem … [E]ach voter does not just give a ranking. But says, this is good. And this is not good. Or this is very good. And this is bad. So I have three or four classes … This changes the nature of voting.''
: That quote is taken from [https://plato.stanford.edu/entries/arrows-theorem/#ScoGra here]. Read section 5.3 and 5.4 for the details. They get into some of the extensions and how people have tried to build a cardinal version of Arrows theorem. At this point there are two possibilities you could have to resist this. 1) You dispute what Stanford and Arrow himself are saying. If this is the case then we will have to agree to disagree. 2) You admit that Arrow's actual theorem does not cover cardinal systems but know cardinal systems are covers by OTHER theorems. You want to call all theorems "Arrows theorem" so as to hide the fact that Ordinal systems are more flawed than cardinal systems. If this is the case then you have a clear biased and malicious intent. --[[User:Dr. Edmonds|Dr. Edmonds]] ([[User talk:Dr. Edmonds|talk]]) 20:59, 17 March 2020 (UTC)
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