262 THE SCIENCE OF LOGIC 



S i P as S P &amp;gt; o 

 S o P as SP&amp;gt;o 



Analogous results may be worked out on the other supposi 

 tions already considered. 



KEYNES, Formal Logic, pt. ii., chap. viii. JOSEPH, Logic, pp. 146-52. 

 VENN, Empirical Logic, pp. 258-62. WELTON, Logic, i., pp. 211-14. 

 JOYCE, Logic, pp. 111-16. 



