net.sf.tweety.logics.fol.syntax

Class Tautology

java.lang.Object

net.sf.tweety.logics.fol.syntax.RelationalFormula

net.sf.tweety.logics.fol.syntax.FolFormula

net.sf.tweety.logics.fol.syntax.SpecialFormula

net.sf.tweety.logics.fol.syntax.Tautology

All Implemented Interfaces:

Formula, ClassicalFormula, ComplexLogicalFormula, Conjuctable, Disjunctable, Invertable, LogicStructure, ProbabilityAware, QuantifiedFormula, SimpleLogicalFormula

public class Tautology
extends SpecialFormula

A tautological formula.

Author:

Matthias Thimm

Constructor Summary

Constructors

Constructor and Description
Tautology() Creates a new tautology.

Method Summary

Modifier and Type	Method and Description
Tautology	clone() Creates a deep copy of this formula
boolean	equals(java.lang.Object obj)
int	hashCode()
java.lang.String	toString()

Methods inherited from class net.sf.tweety.logics.fol.syntax.SpecialFormula

collapseAssociativeFormulas, containsQuantifier, getAtoms, getConjunctions, getDisjunctions, getFunctors, getPredicates, getQuantifiedFormulas, getTerms, getTerms, getUnboundVariables, isClosed, isClosed, isDnf, isLiteral, isWellBound, isWellBound, substitute, toNnf

Methods inherited from class net.sf.tweety.logics.fol.syntax.FolFormula

combineWithAnd, combineWithOr, complement, getQuantifierVariables, getUniformProbability, toDnf

Methods inherited from class net.sf.tweety.logics.fol.syntax.RelationalFormula

allGroundInstances, allSubstitutions, containsTermsOfType, exchange, getFormula, getPredicateCls, getSatisfactionRatio, getSignature, isGround, isWellFormed, substitute

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Tautology

public Tautology()

Creates a new tautology.

Method Detail

toString

public java.lang.String toString()

Specified by:

toString in class RelationalFormula

hashCode

public int hashCode()

Specified by:

hashCode in interface SimpleLogicalFormula

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Specified by:

equals in interface SimpleLogicalFormula

Overrides:

equals in class java.lang.Object

clone

public Tautology clone()

Description copied from interface: SimpleLogicalFormula

Creates a deep copy of this formula

Specified by:

clone in interface ComplexLogicalFormula

Specified by:

clone in interface SimpleLogicalFormula

Specified by:

clone in class FolFormula