Premises:
EP1. The end of all human action is happiness. (192)
IP1. All humans want to be happy.
EP2. Happiness is an activity. (192)
EP3. Happiness is worth seeking for its own rewards. (192)
- Nothing except for the act of seeking happiness is desirable.
- Everything else (except for happiness) is chosen with something else in mind.
EP4. A happy life is virtuous. (193)
- A virtuous life requires work.
EP5. Happiness is found in activities of virtue. (194)
- Virtuous actions perform noble and good deeds.
IP2. Men seek happiness through virtuous activities.
EP6. The highest virtue is reason. (194)
- Reason is the best quality that men possess.
EP7. Reason is the most continuously practiced activity. (194)
- Men can contemplate truth more than they can do anything else.
EP8. Reason is the most pleasing virtuous activity. (194)
EP9. Reason is philosophical wisdom. (194)
EP10. Philosophical wisdom is an activity practiced for its own sake (194).
IP3. Men get pleasure from being philosophically wise.
EP11. Philosophical wisdom leads to the total happiness of man. (195)
EP12. Man's life, if according to reason, is the happiest and therefore the most desirable. (196)
- The most suitable thing in man's life is also the best thing.
EP13. If man uses reason, reason is man. (196)
EP14. If reason is man, life is at its absolute happiest for man. (196)
