We have good reason to doubt a proposition if
A) it conflicts with other propositions we have reason to believe.
B) it conflicts with our background information.
C) it conflicts with the opinions of experts on the topic.
D) All of the above.
E) None of the above.

Question

Quizplus · Accepted Answer

All of the options provided are valid reasons to doubt a proposition. If a proposition conflicts with other propositions we have reason to believe, with our background information, or with the opinions of experts on the topic, these conflicts can all serve as grounds for doubting the validity of the proposition in question.

We Have Good Reason to Doubt a Proposition If