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Большой англо-русский и русско-английский словарь. 2001.
orderings
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orderings — É”rdrɪn / É”Ëd n. making of an official request for purchase; commanding; arranging … English contemporary dictionary
Belief revision — is the process of changing beliefs to take into account a new piece of information. The logical formalization of belief revision is researched in philosophy, in databases, and in artificial intelligence for the design of rational agents.What… … Wikipedia
Social Choice and Individual Values — Kenneth Arrow s monograph Social Choice and Individual Values (1951, 2nd ed., 1963) and a theorem within it created modern social choice theory, a rigorous melding of social ethics and voting theory with an economic flavor. Somewhat formally, the … Wikipedia
Social welfare function — In economics a social welfare function can be defined as a real valued function that ranks conceivable social states (alternative complete descriptions of the society) from lowest on up as to welfare of the society. Inputs of the function include … Wikipedia
PQ tree — A PQ tree is a tree based data structure that represents a family of permutations on a set of elements, discovered and named by Kellogg S. Booth and George S. Lueker in 1976. It is a rooted, labeled tree, in which each element is represented by… … Wikipedia
Strict weak ordering — The 13 possible strict weak orderings on a set of three elements {a, b, c}. The only partially ordered sets are coloured, while totally ordered ones are in black. Two orderings are shown as connected by an edge if they differ by a single… … Wikipedia
Cyclic order — In mathematics, a cyclic order is a way to arrange a set of objects in a circle.[nb] Unlike most structures in order theory, a cyclic order cannot be modeled as a binary relation a < b . One does not say that east is more clockwise than west.… … Wikipedia
Actor model theory — In theoretical computer science, Actor model theory concerns theoretical issues for the Actor model.Actors are the primitives that form the basis of the Actor model of concurrent digital computation. In response to a message that it receives, an… … Wikipedia
Ordinal number — This article is about the mathematical concept. For number words denoting a position in a sequence ( first , second , third , etc.), see Ordinal number (linguistics). Representation of the ordinal numbers up to ωω. Each turn of the spiral… … Wikipedia
Arrow's impossibility theorem — In social choice theory, Arrow’s impossibility theorem, the General Possibility Theorem, or Arrow’s paradox, states that, when voters have three or more distinct alternatives (options), no voting system can convert the ranked preferences of… … Wikipedia
Independence of irrelevant alternatives — (IIA) is an axiom of decision theory and various social sciences. The word is used in different meanings in different contexts. Although they all attempt to provide a rational account of individual behavior or aggregation of individual… … Wikipedia
