 id="sharpen(Double):GlobalProver[R]"></a> <span class="permalink"><a href="../../provingground/learning/GlobalProver$$Elementary.html#sharpen(scale:Double):provingground.learning.GlobalProver[R]" 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="name">sharpen</span><span class="params">(<span name="scale">scale: <span name="scala.Double" class="extype">Double</span>