Suppes, Patrick. <br/><br/>
Introduction to logic / 
by Patrick Suppes. 
 - Princeton, N.J. :  D. Van Nostrand Co.,  1957. 
 - 312 p. :  ill. ;  24 cm. 
 - The University Series in Undergraduate Mathematics. .
<br/><br/> Includes index. 
<br/><br/>Priniples of inference and definition--Elementart intuitive set theory. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.