lem:<a href="index.html#type-t">t</a></span> <span>&#45;&gt;</span> <span>(<a href="../../../Csp/index.html#type-expr">Csp.expr</a> * <a href="../../../Csp/index.html#type-cmpop">Csp.cmpop</a> * <a href="../../../Csp/index.html#type-expr">Csp.expr</a>)</span> <span>&#45;&gt;</span> <a href="index.html#type-internal_constr">internal_constr</a></code></dt><dd><p>may use a current abstract element to simplify the constaint</p></dd></dl><dl><dt class="spec value" id="val-externalize"><a href="#val-externalize" 