Forbes, Graeme <br/><br/>
Languages of possiblity : essay in philosophical logic 

 - Oxford  Basil Blackwell  1989 
 - vii,181p. 
 - Aristotelian Society Sr. 9 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>R1OP:4
<br/><br/><label>Dewey Class. No.: </label>R1OP:4  / L9