Rule LITFORM_4

LITFORM 'Naf' 'NegAtom 


Description

This allows one legal nesting of the two kinds of negations, for which we propose to use the notation Naf/Neg, as in RuleML:

Its XML serialization form is:

       <rcl:NafNeg>
         (XML serialization of Atom)
       </rcl:NafNeg>
      


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