X-Git-Url: https://svn.cri.ensmp.fr/git/linpy.git/blobdiff_plain/960f0c252361dfd696359f803aae40a9b13b14a6..50f0fde4dca3f10e535314b1c9d325cd9283735b:/doc/polyhedra.rst

diff --git a/doc/polyhedra.rst b/doc/polyhedra.rst
index 736cff6..1f2756b 100644
--- a/doc/polyhedra.rst
+++ b/doc/polyhedra.rst
@@ -1,23 +1,21 @@
 Polyhedra Module
 ================
 
-.. py:class:: Polyhedron
-
-    Polyhedron class allows users to build and inspect polyherons.  The following methods provide the properties of a polyhedron.
+Polyhedron class allows users to build and inspect polyherons.
 
-    .. py:method:: equalities(self)
+.. py:class:: Polyhedron
 
-        Return a list of the equalities in a polyhedron.
+    .. py:property:: equalities
 
-    .. py:method:: inequalities(self)
+        Returns a list of the equalities in a polyhedron.
 
-        Return a list of the inequalities in a polyhedron.
+    .. py:property:: inequalities
 
-    .. py:method:: constraints(self)
+        Returns a list of the inequalities in a polyhedron.
 
-        Return ta list of the constraints of a polyhedron.
+    .. py:property:: constraints
 
-    The following unary operations can be used to inspect a polyhedron.
+        Returns a list of the constraints of a polyhedron.
 
     .. py:method:: disjoint(self)
 
@@ -29,30 +27,30 @@ Polyhedra Module
 
     .. py:method:: subs(self, symbol, expression=None)
 
-        Subsitutes an expression into a polyhedron and returns the result.
+        Substitutes 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.
+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*.