النتائج (
العربية) 1:
[نسخ]نسخ!
SummaryObjects names must be in lower case and variables begin with upper case letter. The name of relation is meaningful.A predicate is the symbolic name (identifier) for a relation and a sequence of arguments. Clauses that belong to the same predicate must follow one another.Variables enable you to write general facts and rules and ask general questions. Anonymous variable means anything.
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