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Improve grammar

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Antti H S Laaksonen 2017-04-20 22:58:12 +03:00
parent 7e9f75ebd8
commit 705a2e921b
1 changed files with 2 additions and 2 deletions
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chapter19.tex
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@ -588,9 +588,9 @@ A \key{knight's tour} is a sequence of moves
of a knight on an $n \times n$ chessboard
following the rules of chess such that the knight
visits each square exactly once.
The tour is \key{closed} if the knight finally
A tour is \emph{closed} if the knight finally
returns to the starting square and
otherwise the tour is \key{open}.
otherwise it is \emph{open}.
For example, here is an open knight's tour on a $5 \times 5$ board: