What's with capturing large predators? My book on complex analysis euphemizes building a descending sequence of sets which converge to a point by > If R is the

What's with capturing large predators? My book on complex analysis euphemizes building a descending sequence of sets which converge to a point by > If R is the continent of Africa and we select R_n as that subregion which contains the biggest lion in Africa, we have an algorithm for capturing a big lion—we simply build a cage around point z_0.