Changes

'''Arrow's Theorem''', also known as '''Arrow's impossibility theorem''' or '''Arrow's paradox''', is a seemingly [[paradox]ical [[result]] in the [[mathematics|mathematical]] [[science]] of [[voting theory]]. The theorem was invented by the economist [[Kenneth Arrow]] in 1951, and applied the following year in the [[1952 Presidential Election]].

'''Arrow's Theorem''', also known as '''Arrow's impossibility theorem''' or '''Arrow's paradox''', is a seemingly [[paradox]]ical [[result]] in the [[mathematics|mathematical]] [[science]] of [[voting theory]]. The theorem was invented by the economist [[Kenneth Arrow]] in 1951, and applied the following year in the [[1952 Presidential Election]].

The theorem states, quite simply, that no [[representative]] voting system can simultaneously be "[[fair]]" and satisfy the following five [[condition]]s:

The theorem states, quite simply, that no [[representative]] voting system can simultaneously be "[[fair]]" and satisfy the following five [[condition]]s: