An operation in Logic known as Exclusive Or. It yields true if exactly one (but not both) of two conditions is true. The Binary XOR operator has the following Truth Table.

XOR | ||

F | F | F |

F | T | T |

T | F | T |

T | T | F |

The Binomial Coefficient mod 2 can be computed using the XOR operation XOR , making Pascal's Triangle mod 2 very easy to construct.

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1999-05-20