"Permalink"><i class="material-icons"></i></a></span> <span class="modifier_kind"><span class="modifier"></span> <span class="kind">def</span></span> <span class="symbol"><span class="implicit">ensuring</span><span class="params">(<span name="cond">cond: (<a href="" name="provingground.learning.RandomVar.AtCoord" id="provingground.learning.RandomVar.AtCoord" class="extype">AtCoord</a>[<span name="provingground.learning.RandomVar.AtCoord.Dom" class="extype">Dom</span>, <span name="provingground.learning.R