Introduction to Objectivist Epistemology, published in 1967, was Ayn Rand's attempt to summarize the Objectivist theory of concepts, and to submit her solution to the problem of universals. The book deals with the mental processes of abstraction, the nature of valid definitions, distinguishing concepts from "anticoncepts," the hierarchical nature of knowledge, and what constitutes valid axiomatic knowledge. 1967 (MCMLXVII) was a common year starting on Sunday of the Gregorian calendar. ... Barbara Branden presented an account of the breakup of the affair in her book, She describes the encounter between Nathaniel and Rand, saying that Rand slapped him numerous times, and denounced him in these words: If you have an ounce of morality left in you, an ounce of psychological health... To meet Wikipedias quality standards, this article or section may require cleanup. ... A concept is an abstract, universal idea, notion, or entity that serves to designate a category or class of entities, events, or relations. ... The problem of universals is a phrase used to refer to a nest of intertwined problems about universals within cognitive psychology, epistemology, and ontology. ... The Gettier problem: Justified true belief? Theory of Knowledge: The Gettier problem The Duality of Knowledge Philosophy of Knowledge Glossary Wharton Knowledge Project - aimed to offer free access to course materials for students, teachers, and self-learners. ...

The second edition of Introduction to Objectivist Epistemology includes an essay by Leonard Peikoff in which he argues against Immanuel Kant's theory of analytic propositions and synthetic propositions, as well as supplementary material consisting of Ayn Rand's discussions with various professors in philosophy, mathematics, and physics about her epistemology that followed a lecture series she gave on epistemology between 1969 and 1971. Leonard Peikoff circa 1970 Leonard Peikoff (born in Winnipeg, Manitoba in 1933) is an Objectivist philosopher. ... His tomb and its pillared enclosure outside the cathedral in Königsberg are some of the few artifacts of German times preserved by the Soviets after they conquered East Prussia in 1945. ... In philosophy, an analytic statement, or analytic proposition, is one such that its truth can be determined (solely) through analysis of its meaning. ... A synthetic proposition is a proposition that is capable of being true or untrue based on facts about the world - in contrast to an analytic proposition which is true by definition. ... These five broad types of question are called analytical or logical, epistemological, ethical, metaphysical, and aesthetic respectively. ... Mathematics is often defined as the study of topics such as quantity, structure, space, and change. ... A black hole concept drawing by NASA. Physics (from the Greek, φυσικός (physikos), natural, and φύσις (physis), nature) is the science of the natural world dealing with the fundamental constituents of the universe, the forces they exert on one another, and the results produced by these forces. ... Epistemology, from the Greek words episteme (knowledge) and logos (word/speech) is the branch of philosophy that deals with the nature, origin and scope of knowledge. ... 1969 (MCMLXIX) was a common year starting on Wednesday For other uses, see Number 1969. ... 1971 (MCMLXXI) is a common year starting on Friday (click for link to calendar). ...

See also

• Epistemology
• Objectivist epistemology
• Objectivist philosophy
• Ayn Rand
• Leonard Peikoff
• Harry Binswanger