There was a slight typo in the next-to-last line of the version handed out in class. It's corrected here. https://drive.google.com/open?id=1Cv7P8M0i7vOfKo1ExrVbWpa8S_jo7vz0
Read from the bottom of p. 47 ("Now I would like to put forward. . . ") to the break on p. 50. https://drive.google.com/open?id=0B9lYOkgMI40YVXhEaWFBdUNYYjA