Grayling, A.C. <br/><br/>
An Introduction to philosophical logic /  
A.C. Grayling. 
 - London :   Duckworth,   1990. 
 - 306 p. ;   22 cm. 
<br/><br/> Indice. 
<br/><br/>Bibliogr.: p. [295]-300. 
<br/><br/><label>ISBN: </label>0-7156-2353-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lógica.
<br/><br/><label>Universal Decimal Class. No.: </label>16(02)