Belnap, Nuel D. <br/><br/>
The logic of questions and answers / 
by Nuel D. Belnap, Thomas B. Steel. 
 - New Haven, Conn. :  Yale University Press,  1976.   
 - vi, 209 p. ;  22 cm. 
<br/><br/>Includes bibliographical references : (p. 155-200) and index. 
<br/><br/>The grammar of elementary questions--THe grammar of other sorts of questions--Erotetic semantics--Possible applications. 
<br/><br/><label>ISBN: </label>0300019629 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Question (Logic).<br/>Question-answering systems.<br/>Formal languages.