principle of tautology

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• Anthropic principle — In astrophysics and cosmology, the anthropic principle is the philosophical argument that observations of the physical Universe must be compatible with the conscious life that observes it. Some proponents of the argument reason that it explains… …   Wikipedia

• Novikov self-consistency principle — The Novikov self consistency principle, also known as the Novikov self consistency conjecture, is a principle developed by Russian physicist Igor Dmitriyevich Novikov in the mid 1980s to solve the problem of paradoxes in time travel, which is… …   Wikipedia

• Markov's principle — Markov s principle, named after Andrey Markov Jr, is a classical tautology that is not intuitionistically valid but that may be justified by constructive means. There are many equivalent formulations of Markov s principle. Contents 1 Statements… …   Wikipedia

• First principle — First Principles is also the title of a work by Herbert Spencer. In philosophy, a first principle is a basic, foundational proposition or assumption that cannot be deduced from any other proposition or assumption. In mathematics, first principles …   Wikipedia

• verifiability principle — Logical Positivism. the doctrine that if a nonanalytic statement is to be cognitively meaningful it must be empirically verifiable. [1965 70] * * * Criterion of meaningfulness associated with logical positivism and the Vienna Circle. Moritz… …   Universalium

• dormitive principle — noun A type of tautology in which an item is being explained in terms of the item itself, only put in different (usually more abstract) words. We note Batesons (1968) dormitive principle at work in which behaviors are described as traits such as… …   Wiktionary

• Principia Mathematica — For Isaac Newton s book containing basic laws of physics, see Philosophiæ Naturalis Principia Mathematica. The title page of the shortened version of the Principia Mathematica to *56. The Principia Mathematica is a three volume work on the… …   Wikipedia

• Boolean algebra — This article discusses the subject referred to as Boolean algebra. For the mathematical objects, see Boolean algebra (structure). Boolean algebra, as developed in 1854 by George Boole in his book An Investigation of the Laws of Thought,[1] is a… …   Wikipedia

• Boolean algebra (introduction) — Boolean algebra, developed in 1854 by George Boole in his book An Investigation of the Laws of Thought , is a variant of ordinary algebra as taught in high school. Boolean algebra differs from ordinary algebra in three ways: in the values that… …   Wikipedia

• Survival of the fittest — For other uses, see Survival of the fittest (disambiguation). Herbert Spencer coined the phrase, survival of the fittest. Survival of the fittest is a phrase which is commonly used in contexts other than intended by its first two proponents:… …   Wikipedia

• epistemology — epistemological /i pis teuh meuh loj i keuhl/, adj. epistemologically, adv. epistemologist, n. /i pis teuh mol euh jee/, n. a branch of philosophy that investigates the origin, nature, methods, and limits of human knowledge. [1855 60; < Gk… …   Universalium