1 “...'s naturalism...”

2

3 Subjects: “...Natural history / Philosophy...”

4 Subjects: “...Philosophy of nature...”

5

6 “... explores the nature of transcendental idealism, freedom of the will and the concept of the purposiveness...”

7 “... on truth, knowledge and morality, as well as the very nature and value of philosophic inquiry...”

8 “... of space, time, nature, mathematics, and logic on the 'Critique of Pure Reason' are rationalist...”