{ 1 } - is not discussed by Chapter 7.
{ 2 } - may be disagreed upon by people who have similar values (the content of ethical reasoning).
{ 3 } - is discussed by Chapter 8.

See p. 139. For example, two people may agree that abortion is always wrong, but one has arrived at this content through the reasoning that the consequences of that action can never be good, while the other has arrived at the content through the reasoning that killing of the innocent is always wrong, no matter what the consequences are.