<b>Formal methods in the study of language</b> . Edited by J. A. G. Groenendijk, T. M. V. Janssen, and M. B. J. Stokhof. 2 vols. (Mathematical Centre tracts, 135–36.) Amsterdam: Mathematisch Centrum, 1981. Pp. v, 599. <i>f</i> 40.95, <i>f</i> 35.70.