Crossley, J.N. <br/><br/>
What is mathematical logic 

 - 2nd ed 
 - London  Oxford University   
 - vii,82p.   
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<br/><br/><label>ISBN: </label>
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<br/><br/><label>Subjects--Index Terms: </label>Logic  Probabilities  Mathematical logic 
<br/><br/><label>Dewey Class. No.: </label>517.1