rational set
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Rational Emotive Behavior Therapy — (REBT) is a comprehensive, active directive, philosophically and empirically based psychotherapy which focuses on resolving emotional and behavioral problems and disturbances and enabling people to lead happier and more fulfilling lives. REBT was … Wikipedia
Rational Software — Rational Machines was founded by Paul Levy and Mike Devlin in 1981 to provide tools to expand the use of modern software engineering practices, particularly explicit modular architecture and iterative development. Rational was sold for US$2.1… … Wikipedia
Rational mysticism — Rational mysticism, which encompasses both rationalism and mysticism, is a term used by scholars, researchers, and other intellectuals, some of whom engage in studies of how altered states of consciousness or transcendence such as trance, visions … Wikipedia
Rational trigonometry — is a recently introduced approach to trigonometry that eschews all transcendental functions (such as sine and cosine) and all proportional measurements of angles. In place of angles, it characterizes the separation between lines by a quantity… … Wikipedia
Rational number — In mathematics, a rational number is any number that can be expressed as the quotient or fraction a/b of two integers, with the denominator b not equal to zero. Since b may be equal to 1, every integer is a rational number. The set of all… … Wikipedia
Rational mapping — In mathematics, in particular the subfield of algebraic geometry, a rational map is a kind of partial function between algebraic varieties. In this article we use the convention that varieties are irreducible.DefinitionA first attemptSuppose we… … Wikipedia
Rational choice theory — This article is about a theory of economics. For Rational Choice Theory as applied to criminology, see Rational choice theory (criminology). Economics … Wikipedia
Rational function — In mathematics, a rational function is any function which can be written as the ratio of two polynomial functions. DefinitionsIn the case of one variable, x , a rational function is a function of the form: f(x) = frac{P(x)}{Q(x)}where P and Q are … Wikipedia
Rational variety — In mathematics, a rational variety is an algebraic variety, over a given field K, which is birationally equivalent to projective space of some dimension over K. This is a question on its function field: is it up to isomorphism the field of all… … Wikipedia
Rational motion — In kinematics, the motion of a rigid body is defined as a continuous set of displacements. One parameter motions can be definedas a continuous displacement of moving object with respect to a fixed frame in Euclidean three space ( E 3), where the… … Wikipedia
Set-builder notation — In set theory and its applications to logic, mathematics, and computer science, set builder notation (sometimes simply set notation ) is a mathematical notation for describing a set by stating the properties that its members must satisfy. Forming … Wikipedia
