Clarification of EC extension table

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Clarification of EC extension table

Turner, David

The table 'EC Extension table' [1] does not make clear the semantics of


(with an empty list of descriptions) I suspect the answer is O; in which
case it may be clearer to interpret

    intersectionOf(c1 ... cn)


    O \cap EC(c1) \cap ... \cap EC(cn)

Not a typo, this one, just a clarification.


Dave Turner  Cube T400, HP Labs Bristol, Filton Road, Bristol BS34 8QZ
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