This monograph has grown out of some issues that I began to investigate in my dissertation (Engdahl, 1980a). I am extremely grateful to the members of my doctoral committee, Emmon Bach, Chuck Clifton, Lyn Frazier, Barbara Partee, and Edwin Williams, who gave me construc- tive feedback all through the writing of the dissertation. In particular, I want to thank my chairperson, Barbara Partee, for her detailed com- ments and insightful suggestions. To a large extent, the research pre- sented in this book represents further developments of ideas and problems that came up in our weekly meetings....