9. Every action has consequences and among the consequences of any action are other actions. And knowing whether an action is good requires knowing whether its consequences are good, but we cannot know the future, so good actions are impossible.
Which of the following is an assumption on which the argument depends?
(A) Some actions have only other actions as consequences.
(B) We can know that past actions were good.
(C) To know that an action is good requires knowing that refraining from performing it is bad.
(D) Only actions can be the consequences of other actions.
(E) For an action to be good we must be able to know that it is good.
OA: E
Can any one please explain why OA is such, prefer negation technique.
Which of the following is an assumption on which the argument depends?
(A) Some actions have only other actions as consequences.
(B) We can know that past actions were good.
(C) To know that an action is good requires knowing that refraining from performing it is bad.
(D) Only actions can be the consequences of other actions.
(E) For an action to be good we must be able to know that it is good.
OA: E
Can any one please explain why OA is such, prefer negation technique.
