GO CLASSIFICATION OF THE SCIENCES. 



arc abstract inasmuch as they refer to the modes of 

 existence apart from one another; while the truths 

 reached by the second kind of inquiry arc properly 

 concrete, inasmuch as they formulate the facts in their 

 combined order, as they occur in Nature. 



The Sciences, then, in their main divisions, stand 

 thus : 



&quot;that which treats of the forms in ) ABSTRACT / Logic and \ 

 which phenomena are known to us J SCIENCE \ Mathematics. / 



SCIENCE is . 



\ ABSTRACT- /Mechanics, 



T, +v&amp;gt; } BSTRACT- /ecancs, \ 

 &quot;* CONCRETE (Physics, } 



elements j gciENCE VOhSSiy,**/ 



(Astronomy, v 

 Geology,Biology,\ 

 Psychology, I 

 Sociology, etc. / 



that which treats of the 

 phenomena themselves 



(Astronomy, 

 Geology,Bio 

 Psychology, 

 Sociology, etc. 



It is needful to define the words abstract and con 

 crete as thus used ; since they are sometimes used 

 with other meanings. M. Comte divides Science into 

 abstract and concrete; but the divisions which he 

 distinguishes by these names are quite unlike those 

 above made. Instead of regarding some Sciences 

 as wholly abstract, and others as wholly concrete, he 

 regards each Science as having an abstract part, and 

 a concrete part. There is, according to him, an 

 abstract mathematics and a concrete mathematics an 



