intersect : <span>(<a href="index.html#type-real_bound">real_bound</a> * <a href="index.html#type-real_bound">real_bound</a>)</span> <span>&#45;&gt;</span> <span>(<a href="index.html#type-real_bound">real_bound</a> * <a href="index.html#type-real_bound">real_bound</a>)</span> <span>&#45;&gt;</span> bool</code></dt><dt class="spec value" id="val-is_finite"><a href="#val-is_finite" class="anchor"></a><code><span class="keyword">val</span> is_finite : <a href="index.html#type-real_bound">real_bound</a> <span>&