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Background and purposeMuch clinical knowledge about multiple sclerosis (MS) has been gained from patients who attend MS specialty clinics. However, there is limited information about whether these patients are representative of the wider MS population. The objective of this study was to compare incident MS cases who were MS clinic users to non‐users of the specialty MS clinics in British Columbia,...
The authors present a representation theorem of topological Boolean algebras. The result is similar to Stone's representation theorem of Boolean algebras, which establishes the relationship between topological Boolean algebras and rough sets in the general sets. The article is motivated by the problem of logic of rough sets proposed by Z. Pawlak (1995).
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