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Autometrization and the SymmetricDifference
Published online by Cambridge University Press: 20 November 2018
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The fact that the symmetric difference is a group operation in a Boolean algebra is, of course, well known. Not so well known is the fact observed by Ellis [3] that it possesses some of the desirable properties of a metric distance function. Specifically, if * denotes this operation, it is easy to verify that
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- Copyright © Canadian Mathematical Society 1953
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