These concepts were first introduced by Plato in his dialogue Theaetatus.
These concepts, along with defeasibility, are central to the Lehrer and Paxson approach. To augment these concepts, Alvin  Goldman added causality. The third of these concepts was changed to two contrapositive statements in the "tracking"  theory of Robert Nozick, who responded to a work in which these concepts apply in the case of a man who owns a Ford  and another man who is in Brest-Litovsk, (*) Boston, or Barcelona. A paper titled for these concepts presents the example of a  job applicant who doesn't realize that he has ten coins in his own pockets and thinks that another applicant with ten coins in his  pockets will get the job. These concepts were first introduced by Plato in his dialogue Theaetatus. For 10 points, name these three concepts that provide a possible definition of knowledge and title an Edmund Gettier paper.
These concepts, along with defeasibility, are central to the Lehrer and Paxson approach.
justified true belief [or JTB; accept any permutation of these three words, such as justification, truth, and belief]  Tiebreakers