
<A NAME=LESSP>

<TITLE>LESSP</TITLE></A>
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<B>LESSP</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>operator</B><P>
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The <em>lessp</em> operator is a binary infix or prefix logical operator. It 
returns 
<A HREF=r37_0122.html>true</A> if its first argument is strictly less than its s
econd 
argument. As an infix operator it is identical with <em>&lt;</em>. 
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syntax: </H3>
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<em>lessp</em>(&lt;expression&gt;,&lt;expression&gt;) 
or &lt;expression&gt; <em>lessp</em> &lt;expression&gt; 
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&lt;expression&gt; can be any valid REDUCE expression that evaluates to a 
number. 
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 <P> <H3> 
examples: </H3>
<P><PRE><TT>
a := 15; 

  A := 15 


if lessp(a,25) then write &quot;yes&quot; else write &quot;no&quot;;
			 


  yes 


if lessp(a,15) then write &quot;yes&quot; else write &quot;no&quot;;
			 


  no 


if lessp(a,5) then write &quot;yes&quot; else write &quot;no&quot;;
			 


  no

</TT></PRE><P>Logical operators can only be used in conditional statements such 
as 
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<em>if</em>...<em>then</em>...<em>else</em> or <em>while</em>...<em>do</em>. 
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