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Explain Where You Use + Operator In Prolog? |
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Answer» Operator + can be used to negate goals; these are EITHER sub-goals in the body of a rule or sub-goals of a QUERY. We cannot negate facts or the HEADS of rules. Operator + can be used to negate goals; these are either sub-goals in the body of a rule or sub-goals of a query. We cannot negate facts or the heads of rules. |
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