Package net.sf.tweety.logics.pl.postulates

Class ImContradiction

java.lang.Object

net.sf.tweety.logics.pl.postulates.ImPostulate

net.sf.tweety.logics.pl.postulates.ImContradiction

All Implemented Interfaces:

net.sf.tweety.commons.postulates.Postulate<PlFormula>

public class ImContradiction
extends ImPostulate

The "contradiction" postulate for inconsistency measures: A knowledge base is maximally inconsistent if all non-empty subsets are inconsistent. This postulate is supposed to be an extension of the "normalization" postulate, meaning 1 is the maximum inconsistency value.

Author:

Anna Gessler

See Also:

ImNormalization

Field Summary

Fields inherited from class net.sf.tweety.logics.pl.postulates.ImPostulate

ADJUNCTIONINVARIANCE, ATTENUATION, CONSISTENCY, CONTRADICTION, DOMINANCE, EQUALCONFLICT, EXCHANGE, FREEFORMULADILUTION, FREEFORMULAINDEPENDENCE, IRRELEVANCEOFSYNTAX, MINORMALIZATION, MONOTONY, NORMALIZATION, PENALTY, SAFEFORMULAINDEPENDENCE, SUPERADDITIVITY

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ImContradiction()	Protected constructor so one uses only the single instance ImPostulate.CONTRADICTION

Method Summary

Modifier and Type	Method	Description
String	getName()
boolean	isApplicable(Collection<PlFormula> kb)
boolean	isSatisfied(Collection<PlFormula> kb, net.sf.tweety.logics.commons.analysis.BeliefSetInconsistencyMeasure<PlFormula> ev)

Methods inherited from class net.sf.tweety.logics.pl.postulates.ImPostulate

isSatisfied

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ImContradiction

protected ImContradiction()

Protected constructor so one uses only the single instance ImPostulate.CONTRADICTION

Method Detail

getName

public String getName()

isApplicable

public boolean isApplicable(Collection<PlFormula> kb)

Specified by:

isApplicable in interface net.sf.tweety.commons.postulates.Postulate<PlFormula>

Specified by:

isApplicable in class ImPostulate

isSatisfied

public boolean isSatisfied(Collection<PlFormula> kb,
                           net.sf.tweety.logics.commons.analysis.BeliefSetInconsistencyMeasure<PlFormula> ev)

Specified by:

isSatisfied in class ImPostulate