Package nltk :: Package sem :: Module logic :: Class IffExpression

Class IffExpression

         object --+            
                  |            
SubstituteBindingsI --+        
                      |        
             Expression --+    
                          |    
          BooleanExpression --+
                              |
                             IffExpression

Known Subclasses:

drt.DrtIffExpression

This class represents biconditionals

Instance Methods

[hide private]

getOp(self, syntax=1)

source code

Inherited from BooleanExpression: __eq__, __init__, free, replace, simplify, str, variables

Inherited from Expression: __and__, __call__, __gt__, __hash__, __lt__, __neg__, __or__, __repr__, __str__, applyto, negate, substitute_bindings, tp_equals

Inherited from object: __delattr__, __getattribute__, __new__, __reduce__, __reduce_ex__, __setattr__

Properties

[hide private]

Inherited from object: __class__