jtabwbx.prop.formula

Class FormulaProposition

java.lang.Object

jtabwbx.prop.formula.Formula

jtabwbx.prop.formula.FormulaProposition

All Implemented Interfaces:

_AbstractFormula, _PropositionalFormula

public final class FormulaProposition
extends Formula

An atomic propositional formula.

Author:

Lorenzo Bossi

Method Summary

Modifier and Type	Method and Description
Formula	applyIntuitionisticPartialSubstitution(Substitution subst) Returns the formula obtained by applying the specified substitution as intuitionistic partial substitution.
Formula	applySubstitution(PropositionalSubstitution subst) Returns the formula obtained by applying the specified substitution on propositional formulas.
Formula	applySubstitution(Substitution subst) Returns the formula obtained by applying the specified substitution.
Formula	calculateBooleanSimplification() Returns the formula obtained by applying boolean simplifications on this formula.
boolean	containsFalse() Returns true iff this formula contains the propositional constant FALSE as subformula.
boolean	containsProposition(FormulaProposition proposition) Returns true iff this formula contains the specified propositional formula as subformula.
boolean	containsTrue() Returns true iff this formula contains the propositional constant TRUE as subfromula.
boolean	equals(java.lang.Object other)
java.lang.String	format() Returns the string representation of the formula
FormulaFactory	getFactory() Returns the factory used to build this formula.
FormulaType	getFormulaType() Returns the formula type of this formula.
java.lang.String	getName()
int	hashCode()
Formula[]	immediateSubformulas() The subformulas of this formula.
boolean	isAtomic() Returns true iff this formula is atomic.
boolean	isCompound() Returns true iff this formula is compound.
boolean	isFalse() Returns true iff this propositional formula represents FALSE.
boolean	isIntuitionisticLocalFormula() TODO: doc Returns true iff this is a local formula.
boolean	isTrue() Returns true iff this propositional formula represents TRUE.
PropositionalConnective	mainConnective() The main logical operator of this formula.
java.lang.String	shortName() Returns the short name of the formula.
java.lang.String	toString()

Methods inherited from class jtabwbx.prop.formula.Formula

getIndex, size

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

getFactory

public FormulaFactory getFactory()

Description copied from class: Formula

Returns the factory used to build this formula.

Specified by:

getFactory in class Formula

Returns:

the factory used to build this formula.

getName

public java.lang.String getName()

shortName

public java.lang.String shortName()

Description copied from interface: _AbstractFormula

Returns the short name of the formula. It is only used to provide information on the proof-search. Typically the short is the main connective of the formula

Returns:

returns the short name of the formula

calculateBooleanSimplification

public Formula calculateBooleanSimplification()

Description copied from class: Formula

Returns the formula obtained by applying boolean simplifications on this formula. This method is performs caching and optimisation,

Specified by:

calculateBooleanSimplification in class Formula

Returns:

the simplified formula.

applySubstitution

public Formula applySubstitution(PropositionalSubstitution subst)

Description copied from class: Formula

Returns the formula obtained by applying the specified substitution on propositional formulas.

Specified by:

applySubstitution in class Formula

Parameters:

subst - the substitution to apply.

Returns:

the formula obtained applying the substitution.

applySubstitution

public Formula applySubstitution(Substitution subst)

Description copied from class: Formula

Returns the formula obtained by applying the specified substitution.

Specified by:

applySubstitution in class Formula

Parameters:

subst - the substitution to apply.

Returns:

the formula obtained applying the substitution.

applyIntuitionisticPartialSubstitution

public Formula applyIntuitionisticPartialSubstitution(Substitution subst)

Description copied from class: Formula

Returns the formula obtained by applying the specified substitution as intuitionistic partial substitution.

Specified by:

applyIntuitionisticPartialSubstitution in class Formula

Parameters:

subst - the substitution to apply.

Returns:

the formula obtained applying the substitution.

isAtomic

public boolean isAtomic()

Description copied from interface: _PropositionalFormula

Returns true iff this formula is atomic.

Returns:

true iff this formula is atomic.

isCompound

public boolean isCompound()

Description copied from interface: _PropositionalFormula

Returns true iff this formula is compound.

Returns:

true iff this formula is compound.

mainConnective

public PropositionalConnective mainConnective()

Description copied from interface: _PropositionalFormula

The main logical operator of this formula.

Returns:

the main connective of this formula.

immediateSubformulas

public Formula[] immediateSubformulas()

Description copied from class: Formula

The subformulas of this formula.

Specified by:

immediateSubformulas in interface _PropositionalFormula

Specified by:

immediateSubformulas in class Formula

Returns:

the subformulas of this formula.

hashCode

public int hashCode()

Overrides:

hashCode in class Formula

equals

public boolean equals(java.lang.Object other)

Overrides:

equals in class Formula

format

public java.lang.String format()

Description copied from interface: _AbstractFormula

Returns the string representation of the formula

Returns:

the string describing the formula

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

containsProposition

public boolean containsProposition(FormulaProposition proposition)

Description copied from class: Formula

Returns true iff this formula contains the specified propositional formula as subformula.

Parameters:

proposition - the propositional formula.

Returns:

true iff this formula contains the specified proposition.

containsTrue

public boolean containsTrue()

Description copied from class: Formula

Returns true iff this formula contains the propositional constant TRUE as subfromula.

Specified by:

containsTrue in class Formula

Returns:

true iff this formula contains the propositional constant TRUE.

containsFalse

public boolean containsFalse()

Description copied from class: Formula

Returns true iff this formula contains the propositional constant FALSE as subformula.

Specified by:

containsFalse in class Formula

Returns:

true iff this formula contains the propositional constant FALSE.

isFalse

public boolean isFalse()

Returns true iff this propositional formula represents FALSE.

Specified by:

isFalse in class Formula

Returns:

true iff this propositional formula represents FALSE.

isTrue

public boolean isTrue()

Returns true iff this propositional formula represents TRUE.

Specified by:

isTrue in class Formula

Returns:

true iff this propositional formula represents TRUE.

isIntuitionisticLocalFormula

public boolean isIntuitionisticLocalFormula()

Description copied from class: Formula

TODO: doc Returns true iff this is a local formula.

Specified by:

isIntuitionisticLocalFormula in class Formula

Returns:

true iff this is a local formula.

getFormulaType

public FormulaType getFormulaType()

Description copied from class: Formula

Returns the formula type of this formula.

Specified by:

getFormulaType in class Formula

Returns:

the formula type.