Fraenkel, Abraham Adolf <br/><br/>
Abstract set theory 

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 - Amsterdam     
 - x, 281p.   
<br/><br/>  studies in logic and the foundations of mathematics, ed. by L E J Brouwer and others. 
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<br/><br/><label>Subjects--Index Terms: </label>abstract set theory  Statistical data handling 
<br/><br/><label>Dewey Class. No.: </label>519.5