[ (2) HAPPINESS OF OTHERS as an end which is also a duty ]
[ IX. What is a Duty of Virtue? ]
[ X. The Supreme Principle of Jurisprudence was Analytical; that of Ethics is Synthetical ]
[ XI. According to the preceding Principles, the Scheme of Duties of Virtue may be thus exhibited ]
[ XII. Preliminary Notions of the Susceptibility of the Mind for Notions of Duty generally ]
[ XIII. General Principles of the Metaphysics of Morals in the treatment of Pure Ethics ]