ader><dl><dt class="spec value" id="val-add_var"><a href="#val-add_var" class="anchor"></a><code><span class="keyword">val</span> add_var : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="../../../../Csp/index.html#type-decl">Csp.decl</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a></code></dt><dd><p>adds an unconstrained variable to the environnement</p></dd></dl><dl><dt class="spec value" id="val-rm_var"><a href="#val-rm_var" class="anchor"></a><code><span class="keyword">val