But someone&#x27;s pseudocode is another&#x27;s &#x27;mathematical notation&#x27;. It comes down to familiarity and training. In fact Lisp was more a notation in its early life, then Steve Russel thought it would quite hilarious to use 
Lisp&#x27;s own &#x27;eval&#x27; to interpret itself. Great way to annoympress your PhD advisor.