A set of abstract rules, ideas, and principles that explain a particular subject, as opposed to actual practice. Or, an unproved assumption; a hypothesis or conjecture assumed for the sake of argument.(pr. THEE-ə-ree)Quote: "He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast." Leonardo da Vinci (1452-1519), Italian Renaissance artist. "The supreme misfortune is when theory outstrips performance." Albert Einstein (1879-1955), German-born American theoretical physicist, The World as I See It, 1979. Also see aesthetics, androgyny, archetype, art, art criticism, art therapy, artworld, Bloom's Taxonomy, change, cognitive, color, deformalism, emotionalism, empiricism, entropy, epistemology, ergonomics, feminism and feminist art, feng shui, formalism, game theory, ideal, imitationalism, interdisciplinary, isms and -ism, issue, linear perspective, manifesto, mathematics and art, meta-cognition, motivation, multiple intelligence theory, music, mystery, new media, ontology, optical illusion, optical mixing, perfection, phenomenology, postmodernism, principles of design, Rayonism, right brain, science and art, space-time, Stages of Artistic Development, standards, Stendhal syndrome, subliminal message, theater, time, and unconscious.

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