Columbia subject headings:
Ethics.
Philosophy, Modern.
Reason.
Harvard subject headings:
Act (Philosophy)
Ethics.
Kant, Immanuel, 1724-1804
Philosophy, Modern.
Practical reason.
Rationalism.
Princeton subject headings:
Act (Philosophy)
Ethics.
Kant, Immanuel, 1724-1804.
Philosophy, Modern.
Practical reason.
Rationalism.