(self)
return self.args[2]
Returns the :class:`FiniteSet` of objects that appear in this
        diagram.

        Examples
        ========

        >>> from sympy.categories import Object, NamedMorphism, Diagram
        >>> A = Object("A")
        >>> B = Object("B")
        >>> C = Object("C")
        >>> f = NamedMorphism(A, B, "f")
        >>> g = NamedMorphism(B, C, "g")
        >>> d = Diagram([f, g])
        >>> d.objects
        {Object("A"), Object("B"), Object("C")}
Returns the :class:`FiniteSet` of objects that appear in this
        diagram.
Returns the : class : FiniteSet of objects that appear in this diagram .
def objects(self):
        """
        Returns the :class:`FiniteSet` of objects that appear in this
        diagram.

        Examples
        ========

        >>> from sympy.categories import Object, NamedMorphism, Diagram
        >>> A = Object("A")
        >>> B = Object("B")
        >>> C = Object("C")
        >>> f = NamedMorphism(A, B, "f")
        >>> g = NamedMorphism(B, C, "g")
        >>> d = Diagram([f, g])
        >>> d.objects
        {Object("A"), Object("B"), Object("C")}

        """
        return self.args[2]
def objects ( self ) : return self . args [ 2 ]