# Natural Language Toolkit: Combinatory Categorial Grammar
#
# Copyright (C) 2001-2024 NLTK Project
# Author: Graeme Gange <ggange@csse.unimelb.edu.au>
# URL: <https://www.nltk.org/>
# For license information, see LICENSE.TXT
"""
Combinatory Categorial Grammar.
For more information see nltk/doc/contrib/ccg/ccg.pdf
"""
from nltk.ccg.chart import CCGChart, CCGChartParser, CCGEdge, CCGLeafEdge
from nltk.ccg.combinator import (
BackwardApplication,
BackwardBx,
BackwardCombinator,
BackwardComposition,
BackwardSx,
BackwardT,
DirectedBinaryCombinator,
ForwardApplication,
ForwardCombinator,
ForwardComposition,
ForwardSubstitution,
ForwardT,
UndirectedBinaryCombinator,
UndirectedComposition,
UndirectedFunctionApplication,
UndirectedSubstitution,
UndirectedTypeRaise,
)
from nltk.ccg.lexicon import CCGLexicon