Greater a > b returns True if a is greater than b. Attributes[Greater] := {Protected} Simple examples In[1]:= (a) > (b) Out[1]= (a) > (b) In[2]:= (1) > (2) Out[2]= False In[3]:= (3) > (5.5) Out[3]= False In[4]:= (5.5) > (3) Out[4]= True In[5]:= (3) > (3) Out[5]= False In[6]:= (3) > (2) > (1) Out[6]= True