Some AI pioneers seem to feel that rule-based symbolic solutions still have a place, e.g.<p><a href="http:&#x2F;&#x2F;dustycloud.org&#x2F;blog&#x2F;sussman-on-ai&#x2F;" rel="nofollow">http:&#x2F;&#x2F;dustycloud.org&#x2F;blog&#x2F;sussman-on-ai&#x2F;</a><p>If we are depending on AI systems to make important decisions, possibly life-or-death decisions, shouldn&#x27;t we understand how they come to the conclusions that they do?<p>I cannot deny the tremendous advances in neural networks recently, but I find Sussman&#x27;s point compelling.