A good way to establish a conclusion as true, or probable, is to
A scientific hypothesis is
One way to disconfirm the scientific hypothesis that chickens cannot fly would be to
Examining reasons and constructing arguments can help in
A radical skeptic might be willing to doubt which of the following?
Putting an argument into premise-conclusion form can make it easier to
Descartes worried a great deal about the threat posed by which of the following?
Logic can help analyze ethical problems.
A strongly supported claim in science should be regarded as
To support a scientific hypothesis, one might