Theory  

From The Art and Popular Culture Encyclopedia

Revision as of 18:10, 27 July 2010

By virtue of his magnum opus, the posthumous Ethics, Spinoza is considered one of Western philosophy's definitive ethicists.

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list of theorists

1. An unproven conjecture.

   I have a theory about who broke into the school last night, but I have no proof to back it up.

2. An expectation of what should happen, barring unforeseen circumstances.

   So we’ll be there in three hours? — That’s the theory.

3. A coherent statement or set of statements that attempts to explain observed phenomena.

   There is now a well-developed theory of electrical charge.

4. A logical structure that enables one to deduce the possible results of every experiment that falls within its purview.

   The theory of relativity was proposed by Einstein.

5. A field of study attempting to exhaustively describe a particular class of constructs.

   Knot theory classifies the mappings of a circle into 3-space.

6. A set of axioms together with all statements derivable from them.

   A theory is consistent if it has a model.

List of notable theories

• Astronomy: Big Bang Theory
• Biology: Cell theory — Evolution — Germ theory
• Chemistry: Atomic theory — Kinetic theory of gases
• Climatology: Climate change theory (due to anthropogenic activity)
• Education: Constructivist theory — Critical pedagogy theory — Education theory — Multiple intelligence theory — Progressive education theory
• Engineering: Circuit theory — Control theory — Signal theory — Systems theory — Information theory
• Film: Film Theory
• Games: Combinatorial game theory — Game theory — Rational choice theory
• Geology: Plate tectonics
• Humanities: Critical theory
• Literature: Literary theory
• Mathematics: Approximation theory — Arakelov theory — Asymptotic theory — Bifurcation theory — Catastrophe theory — Category theory — Chaos theory — Choquet theory — Coding theory — Deformation theory — Dimension theory — Ergodic theory — Field theory — Galois theory — Game theory — Graph theory — Group theory — Hodge theory — Homology theory — Homotopy theory — Ideal theory — Intersection theory — Invariant theory — Iwasawa theory — K-theory — KK-theory — Knot theory — L-theory — Lie theory — Littlewood–Paley theory — Matrix theory — Measure theory — Model theory — Morse theory — Nevanlinna theory — Number theory — Obstruction theory — Operator theory — PCF theory — Perturbation theory — Potential theory — Probability theory — Ramsey theory — Representation theory — Ring theory — Set theory — Shape theory — Small cancellation theory — Spectral theory — Stability theory — Stable theory — Sturm–Liouville theory — Twistor theory
• Music: Music theory
• Philosophy: Proof theory — Speculative reason — Theory of truth — Type theory — Value theory — Virtue theory
• Physics: Acoustic theory — Antenna theory — BCS theory — Landau theory — M-theory — Perturbation theory — Theory of relativity — Quantum field theory — Scattering theory — String theory
• Planetary science: Giant impact theory
• Visual Art: Aesthetics — Art Educational theory — Architecture — Composition — Anatomy — Color theory — Perspective — Visual perception — Geometry — Manifolds
• Sociology: Sociological theory — Social theory — Critical theory
• Sports: Chess theory
• Statistics : Extreme value theory
• Theatre : Theory relating to theatrical performance.
• Other: Obsolete scientific theories — Phlogiston theory

Namesakes

• Theoretical Girls