Less

a < b returns True if a is less than b.

Attributes[Less] := {Protected}

Simple examples

In[1]:= (a) < (b)
Out[1]= (a) < (b)
In[2]:= (1) < (2)
Out[2]= True
In[3]:= (3) < (5.5)
Out[3]= True
In[4]:= (5.5) < (3)
Out[4]= False
In[5]:= (3) < (3)
Out[5]= False