Search results
Results from the WOW.Com Content Network
A finitary or n-ary relation is a set of n-tuples. Specific types of relations include: Relation (mathematics) (an elementary treatment of binary relations) Binary relation (or diadic relation – a more in-depth treatment of binary relations) Equivalence relation; Homogeneous relation; Reflexive relation; Serial relation
In mathematics, a relation denotes some kind of relationship between two objects in a set, which may or may not hold. [1] As an example, ...
A relation is intransitive if this chain-like behavior is not always present. An example is the relation being a parent: if Tess is a parent of Bob and Bob is a parent of Carol, then it is not automatically the case that Tess is a parent of Carol. [72] Another distinction is between reflexive and irreflexive relations. Reflexive relations are ...
Diagram illustrating the relation between Ptolemy's theorem and the angle sum trig identity for sine. Ptolemy's theorem states that the sum of the products of the lengths of opposite sides is equal to the product of the lengths of the diagonals.
This article lists mathematical properties and laws of sets, involving the set-theoretic operations of union, intersection, and complementation and the relations of set equality and set inclusion.
In mathematics and abstract algebra, a relation algebra is a residuated Boolean algebra expanded with an involution called converse, a unary operation.The motivating example of a relation algebra is the algebra 2 X 2 of all binary relations on a set X, that is, subsets of the cartesian square X 2, with R•S interpreted as the usual composition of binary relations R and S, and with the ...
Relation, tuple, and attribute represented as table, row, and column respectively. In database theory, a relation, as originally defined by E. F. Codd, [1] is a set of tuples (d 1,d 2,...,d n), where each element d j is a member of D j, a data domain.
Relationalism, in the broadest sense, applies to any system of thought that gives importance to the relational nature of reality.In its narrower and more philosophically restricted sense, as propounded by the Indian philosopher Joseph Kaipayil [1] [2] [3] and others, relationalism refers to the theory of reality that interprets the existence, nature, and meaning of things in terms of their ...