Instance Method

minimumGrade(forFacts:)

Returns the lowest membership grade among the specified facts.

Declaration

func minimumGrade(forFacts facts: [Any]) -> Float

Parameters

facts

An array of objects representing truths claimed or rejected by the rule system. For details, see the facts property.

Return Value

The lowest membership grade in the array of facts.

Discussion

In fuzzy logic, this method is called the AND Zadeh operator, because it corresponds to the AND operator in Boolean logic.

See Also

Drawing Conclusions from Facts

func grade(forFact: NSObjectProtocol) -> Float

Returns the membership grade of the specified fact.

func maximumGrade(forFacts: [Any]) -> Float

Returns the highest membership grade among the specified facts.