Johnson, Donovan  A. <br/><br/>
Logic and reasoning in mathematics / 
Donovan A. Johnson and D.F. Taylor. 
 - London :  Murray,  [n.d.]. 
 - 72 p. :  ill. 
 - Exploring mathematics on your own ;  vol. 13 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Philosophy.