- Cosmopolitan obligations(contrasted with communitarian obligations in ethics)
- Moral duties to all humans everywhere, regardless of nationality, culture, or relationship to you—the idea that you have responsibilities to the whole world.
- Individual deliberation(ethics and decision-making)
- The process of a single person thinking carefully about what they should do or believe.
- Institutional design(as used in explaining why groups act differently)
- The deliberate structuring and rules of organizations and systems (like laws, governments, or procedures) to shape how people behave.
- Local obligations(ethical theory about what we owe to those nearby)
- Duties and responsibilities you have to people in your immediate community, family, or country—those close to you.
- Principled resolution(philosophy of problem-solving)
- A solution to a problem that's based on clear, consistent rules or values rather than just guessing or compromising.
- Trade-offs(as used in decision-making)
- Situations where you have to accept something bad or give up something good in order to achieve something else you want.
- dilemma(Used in classical rhetoric and logic; discussed by Valla in the context of the Protagoras–Euathlus lawsuit.)
- An argument structured so that two mutually exhaustive alternatives each independently entail the same conclusion, leaving the opponent no escape.