Class WeakExpansionEquivalence

java.lang.Object
org.tweetyproject.arg.dung.equivalence.WeakExpansionEquivalence
All Implemented Interfaces:
Equivalence<DungTheory>
public class WeakExpansionEquivalence extends Object implements Equivalence<DungTheory>
This class defines strong expansion equivalence for argumentation frameworks wrt. some semantics, i.e., two AFs F and G are strong expansion equivalent iff they possess the same set of extensions wrt. the semantics when conjoined with some AF H that only adds arguments and attacks originating from old arguments, i.e., a weak normal expansion.
Author:
Lars Bengel
See Also:
  • "Ringo Baumann and Gerhard Brewka. 'The equivalence zoo for Dung-style semantics.' Journal of Logic and Computation 28.3 (2018): 477-498."

  • Constructor Details

    • WeakExpansionEquivalence

      public WeakExpansionEquivalence(Semantics semantics)
      Initializes a new instance of this equivalence wrt. the given semantics
      Parameters:
      semantics - some semantics

  • Method Details

    • isEquivalent

      public boolean isEquivalent(DungTheory theory1, DungTheory theory2)
      Description copied from interface: Equivalence
      Checks whether the specified objects are equivalent
      Specified by:
      isEquivalent in interface Equivalence<DungTheory>
      Parameters:
      theory1 - an object of type T
      theory2 - an object of type T
      Returns:
      true, iff both object are equivalent wrt. this equivalence notion

    • isEquivalent

      public boolean isEquivalent(Collection<DungTheory> theories)
      Description copied from interface: Equivalence
      Checks whether the specified collection of objects are pairwise equivalent
      Specified by:
      isEquivalent in interface Equivalence<DungTheory>
      Parameters:
      theories - A collection of objects of type T
      Returns:
      true, iff all objects are equivalent wrt. this equivalence notion

    • getName

      public String getName()
      Description copied from interface: Equivalence
      Return the name of this equivalence notion
      Specified by:
      getName in interface Equivalence<DungTheory>
      Returns:
      name of this equivalence notion