l class="simple">
<li>An <em>equality constraint</em>, constructed using <tt class="docutils literal"><span class="pre">==</span></tt>, where both sides
are monomials.</li>
<li>A <em>less-than inequality constraint</em> <tt class="docutils literal"><span class="pre">&lt;=</span></tt> where the left side is a
generalized posynomial and the right side is a monomial.</li>
<li>A <em>greater-than inequality constraint</em> <tt class="docutils literal"><span class="pre">&gt;=</span></tt> where the left side is
a 