Wet Sidewalks and Odd Numbers

With apologies to Lewis Carroll&#xA; &#xA; &#xA; &#xA; &#xA; What the Tortoise said to Achilles &#xA; , Douglas Hofstadter &#xA; &#xA; &#xA; &#xA; Douglas Hofstadter is the author of Gödel, Escher, Bach , a book which features many dialogues between Achilles, the Tortoise, and other characters, to illustrate the ideas in the book.&#xA; , and Philip Wadler &#xA; &#xA; &#xA; &#xA; Philip Wadler was…