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File:	StrictContent/ConstantsAndSymbols/naturalnumbers/rec-naturalnumbers1
CVS-ID:
Author:	MathML 2 Recommendation
Description:	natural numbers
passed (p) failed (f) not-tested (n) broken-test (b) some parts pass (s)
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Source Code:

<math xmlns="http://www.w3.org/1998/Math/MathML">
         <apply>
            <csymbol cd="set1">in</csymbol>
            <semantics>
               <cn>1729</cn>
               <annotation-xml cd="mathmltypes" name="type" encoding="MathML-Content">
                  <ci>integer</ci>
               </annotation-xml>
            </semantics>
            <csymbol cd="setname1">N</csymbol>
         </apply>
      </math>