Why does Edmund Gettier think that JTB is not sufficient for knowledge?

The Gettier problem, in the field of epistemology, is a landmark philosophical problem concerning the understanding of descriptive knowledge. Thus, Gettier claims to have shown that the JTB account is inadequate because it does not account for all of the necessary and sufficient conditions for knowledge.

What is knowledge according to Reliabilism?

Reliabilism is an approach to the nature of knowledge and of justified belief. Knowledge of reliability is necessary for knowing that a belief is justified, but the belief can be justified without the agent knowing that it is.

Do you think gettier s case undermines the JTB definition of knowledge?

Gettier’s cases involve propositions that were true, believed, but which had weak justification. Without justification, both cases do not undermine the JTB account of knowledge.

How did Edmund Gettier challenge the view that knowledge is justified true belief?

In his 1963 three-page paper titled “Is Justified True Belief Knowledge?”, Gettier attempts to illustrate by means of two counterexamples that there are cases where individuals can have a justified, true belief regarding a claim but still fail to know it because the reasons for the belief, while justified, turn out to …

What is the Gettier problem in epistemology?

John L. Pollock and Joseph Cruz have stated that the Gettier problem has “fundamentally altered the character of contemporary epistemology” and has become “a central problem of epistemology since it poses a clear barrier to analyzing knowledge”. Alvin Plantinga rejects the historical analysis:

What are the problems of epistemology?

They function as challenges to the philosophical tradition of defining knowledge of a proposition as justified true belief in that proposition. The problems are actual or possible situations in which someone has a belief that is both true and well supported by evidence, yet which — according to almost all epistemologists — fails to be knowledge.

Who was the first person to raise the problem named Gettier?

Gettier himself was not actually the first to raise the problem named after him; its existence was acknowledged by both Alexius Meinong and Bertrand Russell, the latter of which discussed the problem in his book Human knowledge: Its scope and limits. In fact, the problem has been known since the Middle Ages,…

Is the Gettier problem a first order problem?

Responses to Gettier. The Gettier problem is formally a problem in first-order logic, but the introduction by Gettier of terms such as believes and knows moves the discussion into the field of epistemology.