【摘要】 该文定义了规则的决策简化、规则的简化、集族对后件简化、集族对简化,并且建立了规则的决策简化与集族对后件简化间的转化关系及规则的简化与集族对简化间的转化关系。更多还原

【Abstract】 This paper defines decision reduction of a rule,reduction of a rule,latter component’s reduction of a pair of families of subsets,and reduction of a pair of families of subsets.Then it reveals that how decision reduction changes to latter component’s reduction and how reduction of a rule changes to reduction of a pair of families of subsets.更多还原