The Mutilated Checkerboard in Set Theory
Library Home || Full Table of Contents || Library Help
|An 8 by 8 checkerboard with two diagonally opposite squares removed cannot be covered by dominoes each of which covers two rectilinearly adjacent squares. This site presents a set theory description of the proposition and an informal proof that the covering is impossible.|
|Math Topics:||Set Theory|
© 1994- The Math Forum at NCTM. All rights reserved.