ass</span></span> <span class="symbol"><span class="name">SuchThat</span><span class="params">(<span name="condition">condition: <a href="MathExpr.html" name="provingground.translation.MathExpr" id="provingground.translation.MathExpr" class="extype">MathExpr</a></span>)</span><span class="result"> extends <a href="MathExpr$.html#PostModifier=provingground.translation.MathExpr" name="provingground.translation.MathExpr.PostModifier" id="provingground.translation.MathExpr.PostModifier" class="extmbr">PostModif