Alternatives:	(mml file)  (full) (simple) (plain) (form) (slideshow)
File:	StrictContent/TheoryOfSets/prsubset/rec-prsubset1
CVS-ID:
Author:	MathML 2 Recommendation
Description:	A is proper subset of B as <apply>
Sample Rendering:

Your browser's rendering:

Source Code:

<math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <csymbol cd="set1">prsubset</csymbol>
            <ci>A</ci>
            <ci>B</ci>
         </apply>
      </math>