Philosopher: An action is morally right if it would be reasonably expected to increase the aggregate well-being of the people affected by it. An action is morally wrong if and only if it would be reasonably expected to reduce the aggregate wellbeing of the people affected by it. Thus, actions that would be reasonably expected to leave unchanged the aggregate well-being of the people affected by them are also right
The philosopher’s conclusion follows logically if which one of the following is assumed?
(A) Only wrong actions would be reasonably expected to reduce the aggregate well-being of the people affected by them. - WRONG. Not necessarily. Right too can have but aggregate basis it increases well-being.
(B) No action is both right and wrong. - WRONG. Irrelevant.
(C) Any action that is not morally wrong is morally right. - CORRECT. If so, the passage stays as is otherwise breaks apart.
(D) There are actions that would be reasonably expected to leave unchanged the aggregate well-being of the people affected by them. - WRONG. Not necessarily.
(E) Only right actions have good consequences - WRONG. Not necessarily.
Two ways to find assumptions:
1. Negation of a choice
2. Necessary condition of the choice
Answer C.