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240 pages, Audio CD
First published February 14, 2014
Intuitively, one would think that a population of predators would tend to do better if the amount of food available to its prey were to increase. More food for the prey means that more prey is available to the predator, and hence the predators’ population should expand as well. Yet, in fact, sometimes the opposite happens [citation omitted]. An increase in the food available to rabbits, for example, in a given area might lead to an overabundance of rabbits, and increase the population of its predator—say, wolves—until the population of wolves becomes unsustainably large and is destabilized. So more food for the rabbits can actually pose a threat to the population of wolves. This example shows our ordinary intuition—that more food and hence more prey is always good for a predatory group—is flawed.The paradox of enrichment is a good example that will likely stick with me. The general thesis of Paradox—and I should mention that the book closes with a reminder of this, so it is not guilty of wandering—is that when paradoxes arise, they require people to actually examine the things they think they know. I learned something! Mission complete.
The Pythagoreans argued along the following lines: assume that the square root of 2 is rational. That is, assume that there are two mutually prime integers, n and m, such that n/m = the square root of two. Put another way, n² =2m². If this is so, then because a square number cannot have any prime factor that is also a factor of the number of which it is the square, n² and n must be even. But according to our initial assumption, n and m are mutually prime, so if n is even, then m must be odd. Assuming that n =2k, we get 2m²= 4k², or m² = 2k²; then, by repeating the same reasoning, we can show that m is even. Thus, n must be both odd and even.Yikes. This is not subway reading. This is not...well, this is not reading. At least not for me. Apologies to Paradox for being the book to reset my expectations for the MIT Press Essential Knowledge Series; as a basic primer or sporadic reference source, it does what it needs to do to promulgate knowledge on paradoxes. But it has none of the non-fiction storytelling conventions that I am starting to realize I actually require to approach dense texts. Your mileage may vary, but if you’re like me and are better at intuiting word problems then in manipulating formulae, this might not be the book for you.