Defeat

java.lang.Object
- net.sf.tweety.arg.lp.semantics.attack.Defeat

All Implemented Interfaces:

AttackStrategy
```
public class Defeat
extends java.lang.Object
implements AttackStrategy
```
This notion of attack models the defeat relation. A defeats B iff (1) A undercuts B or (2) A rebuts B and B does not undercut A

Author:

Sebastian Homann

Method Summary

Modifier and Type	Method	Description
`boolean`	`attacks(Argument a, Argument b)`	Returns "true" iff the first argument attacks the second argument.
`static Defeat`	`getInstance()`	Returns the singleton instance of this class.
`java.lang.String`	`toAbbreviation()`	Returns the abbreviated identifier of this notion of attack, i.e.
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Method Detail
  - getInstance
```
public static Defeat getInstance()
```
    Returns the singleton instance of this class.
    
    Returns:
    
    the singleton instance of this class.
  - attacks
```
public boolean attacks(Argument a,
                       Argument b)
```
    Description copied from interface: AttackStrategy
    
    Returns "true" iff the first argument attacks the second argument.
    
    Specified by:
    
    attacks in interface AttackStrategy
    
    Parameters:
    
    a - some argument
    
    b - some argument
    
    Returns:
    
    "true" iff a attacks b.
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - toAbbreviation
```
public java.lang.String toAbbreviation()
```
    Description copied from interface: AttackStrategy
    
    Returns the abbreviated identifier of this notion of attack, i.e. "a" for attack
    
    Specified by:
    
    toAbbreviation in interface AttackStrategy
    
    Returns:
    
    a short identifier