Error, paperback, 2000 (with corrections), Ch. 6, Ex 23 Dec 6, 2016 10:54:52 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Admin on Dec 6, 2016 10:54:52 GMT There is an almost trivial typo in part (i) of the exercise on line 1. Clearly it should read: "...two points on $\Sigma$...".Vasco