Wright, G. H. von  1916- <br/><br/>
An essay in modal logic. 

 - Amsterdam ;  North-Holland,  [1951]. 
 - vi, 90 p.:  21 cm. 
 - Studies in logic and the foundations of mathematics .
<br/><br/><label>LCCN: </label>a  52002551 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.<br/>Logic, Symbolic and mathematical.<br/>Modality (Logic)<br/>Logica Matematica.
<br/><br/><label>Dewey Class. No.: </label>511.3   / W949e