OF ARTS AND SCIENCES. 307 



Problem II. 



1{ A = B and B = C, what may be said of D? 

 Impressing upon the machine our premises, 



^"^—^^ — B-KAl — Ba-KO 



^^ — ^ > — C-< £ I — C b -< 



the same state of the logical universe is produced as by the premises 

 of the preceding problem. Hence, 



I)-<ABC-{-abc. 



Princeton College, 

 Princeton, N. J. 



