TY - BOOK AU - Belnap,Nuel D. AU - Steel,Thomas B. TI - The logic of questions and answers SN - 0300019629 PY - 1976/// PY - 0000/// CY - New Haven, Conn. PB - Yale University Press KW - Question (Logic) KW - Question-answering systems KW - Formal languages N1 - Includes bibliographical references : (p. 155-200) and index; The grammar of elementary questions--THe grammar of other sorts of questions--Erotetic semantics--Possible applications ER -