concept

defeater

Also known as: defeaters

Facts (12)

Sources

Epistemic Justification – Introduction to Philosophy: Epistemology press.rebus.community Todd R. Long · Rebus Community 6 facts

claimInternalists employ the notion of defeaters as a tool for evaluating what a person's total evidence indicates.

claimUltima facie justification is justification all things epistemically considered, which is equivalent to prima facie justification absent a defeater.

claimPrima facie justification is defined as a belief that is justified at first glance or upon first inspection, assuming there are no defeaters present.

claimPrima facie justification is whatever is sufficient to yield justification, provided there is no defeater present.

claimUltima facie justification is defined as justification that holds when a belief is prima facie justified and there are in fact no defeaters present, representing justification all things epistemically considered.

claimIn theories of epistemic justification, a 'defeater' is a condition that prevents the satisfaction of what would otherwise satisfy an epistemic theory's justification condition.

Epistemology of Testimony | Internet Encyclopedia of Philosophy iep.utm.edu Internet Encyclopedia of Philosophy 3 facts

claimTestimonially-based justification is not indefeasible; a subject S is only justified on the basis of a testifier T's testimony if S lacks a defeater for the belief that p.

claimA second liberal route to resist Jennifer Lackey's argument is to claim that young children are in principle capable of appreciating reasons or defeaters, but possess a poor inductive base regarding confirmed reports.

claimLegal standards for fraud cases hold that plaintiffs lack "justified reliance" if they possess defeaters for their beliefs, but not if they merely lack a reason to believe the defendant is reliable.

Epistemology | Internet Encyclopedia of Philosophy iep.utm.edu Internet Encyclopedia of Philosophy 2 facts

claimThe 'no-defeaters' condition defines knowledge as a belief that is true, justified, and lacks any 'defeaters' to that justification.

claimA 'defeater' is a false proposition that, if realized by the believer, would undercut or defeat the justification for their belief.

Epistemology - Wikipedia en.wikipedia.org Wikipedia 1 fact

claimA defeater is evidence against a belief or evidence that undermines another piece of evidence.