Professor Tantillo was wrong

I was reading chapter 4 of Pan's Travail and realized that something that Professor Tantillo said in lecture today was wrong. He said that Pythagoras was a vegetarian and ate a lot of beans. However, according to the book, that is incorrect; the Pythagoreans "forbade killing animals or plants, as well as eating food 'that had had life'...they banned eating beans and many other plant foods along with meat" (55). So, Professor, Pythagoras may not have had excessive flatulence after all because he did not eat beans.