384 THE PRINCIPLES OF SCIENCE. 



in the ' Opuscula ; of Aquinas, as quoted by Mansel in his 

 edition of Aldrich's 'Artis Logicae Rudimenta,' second 

 edition, p. 31, we find the Tree nearly in the following 

 form : 



Substantia 



Corporea Incorporea 



va 



Corpus 



Sfvfc^ 



Animation Inanimatuni 



v a 



Vivens 



Sensibile Insensibile 



Animal 



Rationale Irrationale 



Homo 

 Socrates Plato. 



This example of the bifurcate method, although re- 

 peated in almost all compendiums and treatises on logic, 

 attracted no particular attention until the time of Peter 

 Ramus and his followers, who are commonly said to have 

 bestowed so much attention and praise upon it as to be 



