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Counting Knights and Knaves

Oscar Levin and Gerri M. Roberts
The College Mathematics Journal
Vol. 44, No. 4 (September 2013), pp. 300-306
DOI: 10.4169/college.math.j.44.4.300
Stable URL: http://www.jstor.org/stable/10.4169/college.math.j.44.4.300
Page Count: 7
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Counting Knights and Knaves
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Abstract

Summary To understand better some of the classic knights and knaves puzzles, we count them. Doing so reveals a surprising connection between puzzles and solutions, and highlights some beautiful combinatorial identities.

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