<?xml version="1.0" encoding="utf-8" ?> <!-- for emacs: -*- coding: utf-8 -*- --> <!-- Apache may like this line in the file .htaccess: AddCharset utf-8 .html --> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg-flat.dtd" > <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head><title>Minus -- the class of all minus expressions</title> <link rel="stylesheet" type="text/css" href="../../../../Macaulay2/Style/doc.css"/> </head> <body> <table class="buttons"> <tr> <td><div><a href="_minus.html">next</a> | <a href="_min__Position.html">previous</a> | <a href="_minus.html">forward</a> | <a href="_min__Position.html">backward</a> | up | <a href="index.html">top</a> | <a href="master.html">index</a> | <a href="toc.html">toc</a> | <a href="http://www.math.uiuc.edu/Macaulay2/">Macaulay2 web site</a></div> </td> </tr> </table> <hr/> <div><h1>Minus -- the class of all minus expressions</h1> <div class="single"><h2>Description</h2> <div><tt>Minus</tt> is a type of <a href="___Expression.html" title="the class of all expressions">Expression</a> representing negation.<p/> This is a unary operator.</div> </div> <div class="waystouse"><h2>Methods that use a minus expression :</h2> <ul><li><span>- Minus, see <span><a href="_-.html" title="a unary or binary operator, usually used for negation or subtraction">-</a> -- a unary or binary operator, usually used for negation or subtraction</span></span></li> </ul> </div> <div class="waystouse"><h2>For the programmer</h2> <p>The object <a href="___Minus.html" title="the class of all minus expressions">Minus</a> is <span>a <a href="___Wrapper__Type.html">wrapper type</a></span>, with ancestor classes <a href="___Expression.html" title="the class of all expressions">Expression</a> < <a href="___Basic__List.html" title="the class of all basic lists">BasicList</a> < <a href="___Thing.html" title="the class of all things">Thing</a>.</p> </div> </div> </body> </html>