d" fullComment="yes" data-isabs="false" visbl="pub"><a id="-&gt;[B](y:B):(A,B)"></a><a id="-&gt;[B](B):(ProofLambda,B)"></a> <span class="permalink"><a href="../../provingground/learning/HoTTMessages$$ProofLambda.html#-&gt;[B](y:B):(A,B)" title="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" title="gt4s: $minus$greater">-&gt;</span><span class="tparams">[<span 