ated uniformly when possible</p></dd></dl><dl><dt class="spec value" id="val-is_abstraction"><a href="#val-is_abstraction" class="anchor"></a><code><span class="keyword">val</span> is_abstraction : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="../../../Csp/index.html#type-instance">Csp.instance</a> <span>&#45;&gt;</span> bool</code></dt><dd><p>check if an abstract element is an abstraction of an instance</p></dd></dl><dl><dt class="spec value" id="val-print"><a href="#val-print" class="a