COPI,I.M. <br/><br/>
Symbolic logic 
Irving M.Copi 
 - 5th ed. 
 - New Work  Macmillan  1979 
 - xiii,398p. 
<br/><br/><label>ISBN: </label>0029787408 
<br/><br/><label>Dewey Class. No.: </label>PHIL  / CIn79