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[linpy.git] / doc / polyhedra.rst

diff --git a/doc/polyhedra.rst b/doc/polyhedra.rst
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+++ b/doc/polyhedra.rst
@@ -1,58 +1,56 @@
 Polyhedra Module
 ================
 
+Polyhedron class allows users to build and inspect polyherons.
+
 .. py:class:: Polyhedron
 
-    Polyhedron class allows users to build and inspect polyherons.  The following methods provide the properties of a polyhedron. 
+    .. py:property:: equalities
+
+        Returns a list of the equalities in a polyhedron.
+
+    .. py:property:: inequalities
 
-    .. py:method:: equalities(self)
-    
-        Return a list of the equalities in a polyhedron.
-        
-    .. py:method:: inequalities(self)
-    
-        Return a list of the inequalities in a polyhedron.
+        Returns a list of the inequalities in a polyhedron.
 
-    .. py:method:: constraints(self)
-    
-        Return ta list of the constraints of a polyhedron.
+    .. py:property:: constraints
+
+        Returns a list of the constraints of a polyhedron.
 
-    The following unary operations can be used to inspect a polyhedron.
-    
     .. py:method:: disjoint(self)
-    
+
         Returns a polyhedron as a disjoint.
-               
+
     .. py:method:: isuniverse(self)
-    
-        Return ``True`` if a polyhedron is the Universe set.    
+
+        Return ``True`` if a polyhedron is the Universe set.
 
     .. py:method:: subs(self, symbol, expression=None)
-    
-        Subsitutes an expression into a polyhedron and returns the result.      
 
-To create a polyhedron, the user must use the folloing functions to define  equalities and inequalities as the contraints.
-   
+        Substitutes an expression into a polyhedron and returns the result.
+
+To create a polyhedron, the user can use the following functions to define  equalities and inequalities as the constraints.
+
 .. py:function:: Eq(left, right)
-   
-   Create a constraint by setting *left* equal to *right*.         
-        
+
+   Returns a Polyhedron instance with a single constraint as *left* equal to *right*.
+
 .. py:function:: Ne(left, right)
 
-    Create a constraint by setting *left* not equal to *right*.
-            
+   Returns a Polyhedron instance with a single constraint as *left* not equal to *right*.
+
 .. py:function:: Lt(left, right)
-    
-   Create a constraint by setting *left* less than *right*. 
-        
+
+   Returns a Polyhedron instance with a single constraint as *left* less than *right*.
+
 .. py:function:: Le(left, right)
-    
-   Create a constraint by setting *left* less than or equal to *right*.     
-        
+
+   Returns a Polyhedron instance with a single constraint as *left* less than or equal to *right*.
+
 .. py:function:: Gt(left, right)
-    
-   Create a constraint by setting *left* greater than *right*.        
+
+   Returns a Polyhedron instance with a single constraint as *left* greater than *right*.
 
 .. py:function:: Ge(left, right)
-    
-   Create a constraint by setting *left* greater than or equal to *right*. 
+
+   Returns a Polyhedron instance with a single constraint as *left* greater than or equal to *right*.