:class:`nltk.Expression`
========================
.. currentmodule:: nltk
.. autoclass:: Expression
   :undoc-members:


Methods
-------
.. autosummary::
   :toctree:


   ~Expression.applyto
   ~Expression.constants
   ~Expression.equiv
   ~Expression.findtype
   ~Expression.free
   ~Expression.fromstring
   ~Expression.make_VariableExpression
   ~Expression.negate
   ~Expression.normalize
   ~Expression.predicates
   ~Expression.replace
   ~Expression.simplify
   ~Expression.substitute_bindings
   ~Expression.typecheck
   ~Expression.unicode_repr
   ~Expression.variables
   ~Expression.visit
   ~Expression.visit_structured