An "internalist" holds that the justification for a proposition is internal to the subject believing it, for example his or her mental state. An "externalist" holds that the justification for a proposition is external to the subject believing it, for example the reports of others. | An "internalist" holds that the justification for a proposition is internal to the subject believing it, for example his or her mental state. An "externalist" holds that the justification for a proposition is external to the subject believing it, for example the reports of others. |