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


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


   ~PCFG.__init__
   ~PCFG.check_coverage
   ~PCFG.fromstring
   ~PCFG.is_binarised
   ~PCFG.is_chomsky_normal_form
   ~PCFG.is_flexible_chomsky_normal_form
   ~PCFG.is_leftcorner
   ~PCFG.is_lexical
   ~PCFG.is_nonempty
   ~PCFG.is_nonlexical
   ~PCFG.leftcorner_parents
   ~PCFG.leftcorners
   ~PCFG.max_len
   ~PCFG.min_len
   ~PCFG.productions
   ~PCFG.start
   ~PCFG.unicode_repr





Attributes
----------
.. autosummary::
  :toctree:


   ~PCFG.EPSILON