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Weight Functions on Extensions of the Compound Manual

Published online by Cambridge University Press:  18 May 2009

Patricia J. Frazer
Affiliation:
University of Massachusetts, Amherst, Massachusetts 01002
David J. Foulis
Affiliation:
University of Massachusetts, Amherst, Massachusetts 01002
Charles H. Randall
Affiliation:
University of Massachusetts, Amherst, Massachusetts 01002
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It has been shown ([8], [2], [1], [3], [9]) that a collection of physical operations or experiments can be represented by a nonempty set of nonempty sets satisfying certain technical conditions. Such a set is called a manual. The operations in are looked at as having no “before” and no “after”, i.e., they are isolated in time. If we wish to look at connected sequences of operations—in particular, if we wish to condition by events in —we must look at the compound manual c whose elements represent compound operations built up from the operations in the base manual .

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Type
Research Article
Copyright
Copyright © Glasgow Mathematical Journal Trust 1980