I found the passage in Hofstadter's Metamagical Themas on Google Books [1]. Here's an image of it: http://blog.samwarmuth.com/post/218259393/figure-12-1 http:/

I found the passage in Hofstadter's Metamagical Themas on Google Books [1]. Here's an image of it: http://blog.samwarmuth.com/post/218259393/figure-12-1 http://blog.samwarmuth.com/post/218259393/figure-12-1 [1]Metamagical Themas: http://books.google.com/books?id=o8jzWF7rD6oC&lpg=PP1&dq=%22Metamagical%20Themas%22&pg=PA241#v=onepage&q=lord%20is%20my%20shepherd&f=false http://books.google.com/books?id=o8jzWF7rD6oC&lpg=PP1&#3...