Rough Set Theory is a mathematical framework devised to manage uncertainty in data by utilising lower and upper approximations to characterise vague or imprecise information. The theory, originally ...

This is a preview. Log in through your library . Abstract Partial functions can be easily represented in set theory as certain sets of ordered pairs. However, classical set theory provides no special ...

Maintaining and managing weight can be tough. Over 42 percent of adults and 18.5 percent of children and adolescents in the United States have obesity. Overweight and obesity may be associated with ...

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We introduce an extensional set theoretical formalism B, a subsystem of Zermelo set theory based on intuitionistic logic, which provides a set theoretic foundation for constructive analysis which is ...