beliefs (as well as other kinds) are only rational if they are based on evidence. Typically, evidentialists will specify some minimum of evidence that is sufficient (such as “evidence that makes a belief more probable than not” or “evidence that makes a belief more probable than its competitors”). Another popular form of evidentialism is a proportional “ethics of belief” that holds that the strength of one’s assent to a belief should be proportioned to the strength of the evidence. This kind of ethic