Kelly, John <br/><br/>
Essence of logic 

 - PHI  Noida  1997 
 - 258p. 
<br/><br/><label>ISBN: </label>9788120311909 
<br/><br/><label>Standard No.: </label>121275 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>511.3  / KEL