Arrow's paradox, also called Arrow's impossibility theorem or the general possibility theorem, states that perfect democratic voting is impossible, not just in practice but also in principle.
Arrow's Paradox
See also
Social Choice Theory, Voting ParadoxesExplore with Wolfram|Alpha
References
Erickson, G. W. and Fossa, J. A. Dictionary of Paradox. Lanham, MD: University Press of America, pp. 13-15, 1998.Gardner, M. Time Travel and Other Mathematical Bewilderments. New York: W. H. Freeman, p. 56, 1988.Referenced on Wolfram|Alpha
Arrow's ParadoxCite this as:
Weisstein, Eric W. "Arrow's Paradox." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/ArrowsParadox.html