Hilbert II - JAVA-Packages - Principia Mathematica II

com.meyling.principia.logic.basic
Class PropositionVariable

java.lang.Object
  extended bycom.meyling.principia.argument.AbstractArgument
      extended bycom.meyling.principia.argument.AbstractArgumentList
          extended bycom.meyling.principia.logic.basic.AbstractFormula
              extended bycom.meyling.principia.logic.basic.PropositionVariable
All Implemented Interfaces:
Argument, Formula

public class PropositionVariable
extends AbstractFormula
implements Argument, Formula

Represents an arbitrary logical proposition.

Version:
$Revision: 1.6 $
Author:
Michael Meyling

Constructor Summary
PropositionVariable(Argument[] arguments)
          Constructs a proposition variable.
PropositionVariable(int number)
          Constructs certain proposition variable.
 
Method Summary
 Argument create(Argument[] arguments)
          Create a new Argument with given arguments.
 SubjectVariables getBoundSubjectVariables()
          Get all bounded subject variables.
 SubjectVariables getFreeSubjectVariables()
          Get all free subject variables.
 int getNumber()
          Get the identity number of this proposition variable.
 Formula getPartFormula(int i)
          Get the requested part formula
 int getPartFormulaSize()
          Get the number of part formulas that this formula contains.
 SubjectVariables getSubjectVariables()
          Get all subject variables that occur in this formula.
 String toString()
          Get the argument in String form.
 
Methods inherited from class com.meyling.principia.logic.basic.AbstractFormula
createPattern, replaceBoundSubjectVariable, replaceBoundSubjectVariables
 
Methods inherited from class com.meyling.principia.argument.AbstractArgumentList
copy, getArgument, getArgumentSize
 
Methods inherited from class com.meyling.principia.argument.AbstractArgument
containsPatternVariables, equals, getHighestNumber, getPatternVariables, getReplacementParents, getSearchParents, hashCode, matches, matches, replace, replace, replace, replaceMatches
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface com.meyling.principia.argument.Argument
containsPatternVariables, copy, equals, getArgument, getArgumentSize, getPatternVariables, getReplacementParents, getSearchParents, hashCode, matches, matches, replace, replace, replace, replaceMatches
 
Methods inherited from interface com.meyling.principia.logic.basic.Formula
replaceBoundSubjectVariable, replaceBoundSubjectVariables
 

Constructor Detail

PropositionVariable

public PropositionVariable(Argument[] arguments)
                    throws ArgumentException
Constructs a proposition variable.

Parameters:
arguments - first argument is number of this proposition variable
Throws:
ArgumentException - if there is not exactly one argument that is an instance of Counter

PropositionVariable

public PropositionVariable(int number)
                    throws ArgumentException
Constructs certain proposition variable.

Parameters:
number - number of proposition variable
Throws:
ArgumentException - if Counter couldn't be created
Method Detail

getNumber

public int getNumber()
Get the identity number of this proposition variable.

Returns:
identity number

getPartFormulaSize

public final int getPartFormulaSize()
Description copied from interface: Formula
Get the number of part formulas that this formula contains.

Specified by:
getPartFormulaSize in interface Formula
Specified by:
getPartFormulaSize in class AbstractFormula
Returns:
always 0

getPartFormula

public final Formula getPartFormula(int i)
Description copied from interface: Formula
Get the requested part formula

Specified by:
getPartFormula in interface Formula
Specified by:
getPartFormula in class AbstractFormula
Returns:
will never occur

getFreeSubjectVariables

public final SubjectVariables getFreeSubjectVariables()
Description copied from interface: Formula
Get all free subject variables.

Specified by:
getFreeSubjectVariables in interface Formula
Specified by:
getFreeSubjectVariables in class AbstractFormula

getBoundSubjectVariables

public final SubjectVariables getBoundSubjectVariables()
Description copied from interface: Formula
Get all bounded subject variables.

Specified by:
getBoundSubjectVariables in interface Formula
Specified by:
getBoundSubjectVariables in class AbstractFormula

getSubjectVariables

public final SubjectVariables getSubjectVariables()
Description copied from interface: Formula
Get all subject variables that occur in this formula.

Specified by:
getSubjectVariables in interface Formula
Specified by:
getSubjectVariables in class AbstractFormula

create

public final Argument create(Argument[] arguments)
                      throws ArgumentException
Description copied from interface: Argument
Create a new Argument with given arguments.

Specified by:
create in interface Argument
Specified by:
create in class AbstractArgumentList
Throws:
ArgumentException

toString

public final String toString()
Description copied from interface: Argument
Get the argument in String form.

Specified by:
toString in interface Argument
Specified by:
toString in class AbstractArgumentList

Hilbert II - JAVA-Packages - Principia Mathematica II

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