Boolos, George <br/><br/>
An investigation of the laws of thought 

 - Mineola, NY:  Dover Publications,  1951 
 - 424 p. port. 21 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical
<br/><br/><label>Dewey Class. No.: </label>BC135 .B7 1951