2% This module defines operators for slashes 
    3% in CCG categories. This is an SWI Prolog specific
    4% to modularise operator definitions. Modules importing
    5% this module have access to these operators.
    6  
    7:- module(slashes,[op(601,xfx,(/)),
    8                   op(601,xfx,(\))]).    9
   10user:portray(A/B):- write('('),print(A),write('/'),print(B),write(')').
   11user:portray(A\B):- write('('),print(A),write('\\'),print(B),write(')')