pan> <span class="symbol"><span class="name">fibProduct</span><span class="tparams">[<span name="Q">Q</span>, <span name="B">B</span>]</span><span class="params">(<span name="quot">quot: (<span name="provingground.ProbabilityDistribution.Mixture.A" class="extype">A</span>) =&gt; <span name="provingground.ProbabilityDistribution.fibProduct.Q" class="extype">Q</span></span>, <span name="fibers">fibers: (<span name="provingground.ProbabilityDistribution.fibProduct.Q" class="extype">Q</span>) =&gt; <a href="Pro