Von Wright Georg Henrik <br/><br/>
Essay in deontic logic and the general theory of a 

 - Amsterdam  North Holland Netherland          1968 
 - 110p  cm. 
 - Acta Philosophical Fennica. 21. .
<br/><br/> Bibliography: P 97-107 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy-Logic
<br/><br/><label>Dewey Class. No.: </label>R1, K8