Copi, Irving M. <br/><br/>
Symbolic logic / 
Irving M.Copi. 
 - 3rd ed. 
 - New York :  Macmillan,  c1967 
 - xvi, 400p. ;  22x15cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label> $7.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS-SYMBOLIC LOGIC
<br/><br/><label>Dewey Class. No.: </label>511.3  / COP-SYM