I T is common knowledge that whether the members of a certain group of sentences are or are not analytic constitutes . . . one of the major controversies of the last decades. Also, the answer to several

other controversial questions depends at least in part on how one answers this particular one. . . . [Among sentences belonging to that group are] such as ‘Nothing is (all over) red and (at the same time all over) green’ and ‘If the first of three events is later than the second and the second later than the third then the first is later than the third.’