XVI CONTENTS. 



CHAPTER XII. Of the Explanation of Laws of Nature. 



PAGE 



$ 1. Explanation defined . . . . . 548 



2. First mode of explanation, by resolving the law of a 



complex effect into the laws of the concurrent causes and * 

 the fact of their coexistence v . . 548 



3. Second mode ; by the detection of an intermediate link in 



the sequence . ,' . . . . 549 



4. Laws are always resolved into laws more general than 



themselves . . " ': ' '" ; "' ' . . . 551 



5. Third mode ; the suhsumption of less general laws under a 



more general one , . . . . . 656 



6. What the explanation of a law of nature amounts to . 558 



CHAPTER XIII. Miscellaneous Examples of the Explanation 

 of Laws of Nature. 



1. Liebig's theory of the contagiousness of chemical action . 662 



2. His theory of respiration . . . . 667 



3. Other speculations of Liebig .'. . . . 571 



4. Examples of following newly-discovered laws into their 



complex manifestations . . . . . 673 



5. Examples of empirical generalizations, afterwards confirmed 



and explained deductively . :,. . . . 575 



6. Example from mental science A; . . . 577 



7. The deductive method henceforth the main instrument of 



scientific inquiry . ,, . ; X2 ; * . . 578 



