ABSTRACTION. 229 



have tempted me but the apparent necessity, in pro- 

 mulgating a view of induction opposed to that which 

 is taught by an eminent living writer, of not shrinking 

 from an encounter with him on his own ground, but 

 entering sufficiently into the spirit of his views to 

 show how much of the difference is apparent and how 

 much real ; what is the equivalent expression for his 

 doctrines in my own language; and what are the 

 reasons which lead me, even where the opinions are 

 similar, to adopt a different mode of statement. 



