Skip to content
Ayn.com

1979, nonfiction

Introduction to Objectivist Epistemology

Rand's theory of concepts: how the mind forms concepts from perceptions by retaining the characteristics things share and omitting their particular measurements.

Serialised in The Objectivist in 1966 and 1967; published as a book in 1979 and expanded in 1990.

Source

Ideas it carries

  • Reason

    The faculty that identifies and integrates what the senses provide; for Rand, man's only means of knowledge.

  • Concept formation (measurement omission)

    Concepts are formed by retaining what things share and omitting their particular measurements.