Relation may refer to:
- Relation, a person to whom one is related, i.e. a family member (see also Kinship Kinship is a relationship between any entities that share a genealogical origin, through either biological, cultural, or historical descent. In anthropology the kinship system includes people related both by descent and marriage, while usage in biology includes descent and mating. Human kinship relations through marriage are commonly called ")
- Relation (mathematics) In mathematics, a binary relation on a set A is a collection of ordered pairs of elements of A. In other words, it is a subset of the Cartesian product A2 = A × A. More generally, a binary relation between two sets A and B is a subset of A × B. The terms dyadic relation and 2-place relation are synonyms for binary relations, a generalization of arithmetic relations, such as "=" and "<", that occur in statements, such as "5 < 6" and "2 + 2 = 4". See also binary relation In mathematics, a binary relation on a set A is a collection of ordered pairs of elements of A. In other words, it is a subset of the Cartesian product A2 = A × A. More generally, a binary relation between two sets A and B is a subset of A × B. The terms dyadic relation and 2-place relation are synonyms for binary relations, triadic relation In mathematics, a ternary relation or triadic relation is a finitary relation in which the number of places in the relation is three. Ternary relations may also be referred to as 3-adic, 3-ary, 3-dimensional, or 3-place, relational algebra Relational algebra, an offshoot of first-order logic , deals with a set of finitary relations (see also relation (database)) which is closed under certain operators. These operators operate on one or more relations to yield a relation. Relational algebra is a part of computer science, theory of relations The theory of relations treats the subject matter of relations in its combinatorial aspect, as distinguished from, though related to, its more properly logical study on one side and its more generally mathematical study on another.
- also in mathematics, part of a presentation of a group In mathematics, one method of defining a group is by a presentation. One specifies a set S of generators so that every element of the group can be written as a product of some of these generators, and a set R of relations among those generators. We then say G has presentation
- Relation (database) In SQL, a database language for relational databases, a relation variable is called a table, in the relational model The relational model for database management is a database model based on first-order predicate logic, first formulated and proposed in 1969 by E.F. Codd of databases A database is an integrated collection of logically-related records or files consolidated into a common pool that provides data for one or more multiple uses. One way of classifying databases involves the type of content, for example: bibliographic, full-text, numeric, image. Other classification methods start from examining database models or, a set of tuples In mathematics and computer science a tuple represents the notion of an ordered list of elements. In set theory, an n-tuple is a sequence (or ordered list) of n elements, where n is a positive integer. There is also one 0-tuple, an empty sequence. An n-tuple is defined inductively using the construction of an ordered pair. Tuples are usually (also called rows), otherwise known as a table (database) In relational databases and flat file databases, a table is a set of data elements that is organized using a model of vertical columns (which are identified by their name) and horizontal rows. A table has a specified number of columns, but can have any number of rows. Each row is identified by the values appearing in a particular column subset. See also relational algebra Relational algebra, an offshoot of first-order logic , deals with a set of finitary relations (see also relation (database)) which is closed under certain operators. These operators operate on one or more relations to yield a relation. Relational algebra is a part of computer science.
- Relation, in logic and philosophy, a property or predicate ranging over more than one argument. See also Logic of relatives Charles Sanders Peirce (September 10, 1839 – April 19, 1914) was an American logician, mathematician, philosopher, and scientist, born in Cambridge, Massachusetts. Peirce was educated as a chemist and employed as a scientist for 30 years. It is largely his contributions to logic, mathematics, philosophy, and semiotics (and his founding of, Relation of ideas A Relation of Ideas, in the Humean sense, is the type of knowledge that can be characterized as arising out of pure conceptual thought and logical operations . In a Kantian philosophy, it is equivalent to the analytic a priori. It is also closely coincident with the so-called Truths of Reason of Leibniz, which are defined as those statements whose, Relational theory …:This article is about relational theory in physics and philosophy. There is a separate article about the relational model and Relational Philosophy as a category of Philosophical anthropology
See also
- International relations International relations or International studies (IS) represents the study of foreign affairs and global issues among states within the international system, including the roles of states, inter-governmental organizations (IGOs), non-governmental organizations (NGOs), international nongovernmental organizations (INGOs), and multinational
- Interpersonal relationship An interpersonal relationship is an association between two or more people that may range from fleeting to enduring. This association may be based on limerence, love and liking, regular business interactions, or some other type of social commitment. Interpersonal relationships take place in a great variety of contexts, such as family, friends,
- Intimate relationship An intimate relationship is a particularly close interpersonal relationship. It is a relationship in which the participants know or trust one another very well or are confidants of one another, or a relationship in which there is physical or emotional intimacy
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Chile Peso Opens Sharply Weaker On Euro's Tumble Vs Dollar
Wall Street Journal
The peso often moves in the same direction the common currency does in relation to the dollar. The Chilean currency is currently trading at CLP547.00 to the ...
and more »
Wall Street Journal
The peso often moves in the same direction the common currency does in relation to the dollar. The Chilean currency is currently trading at CLP547.00 to the ...
and more »
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