Look up set in Wiktionary, the free dictionary. Set, The Set, SET or SETS may refer to: Set (mathematics), a collection of elements Category of sets, the...

Set (/sɛt/; Egyptological: Sutekh - swtẖ ~ stẖ or: Seth /sɛθ/) is a god of deserts, storms, disorder, violence, and foreigners in ancient Egyptian religion...

Set theory is the branch of mathematical logic that studies sets, which can be informally described as collections of objects. Although objects of any...

The Mandelbrot set (/ˈmændəlbroʊt, -brɒt/) is a two-dimensional set that is defined in the complex plane as the complex numbers c {\displaystyle c} for...

mathematics, an index set is a set whose members label (or index) members of another set. For instance, if the elements of a set A may be indexed or labeled...

a set is a group of expectations that shape experience by making people especially sensitive to specific kinds of information. A perceptual set, also...

In mathematics, an Fσ set (said F-sigma set) is a countable union of closed sets. The notation originated in French with F for fermé (French: closed) and...

The Cliveden set were an upper-class group of politically influential people active in the 1930s in the United Kingdom, prior to the Second World War...

In topology, a clopen set (a portmanteau of closed-open set) in a topological space is a set which is both open and closed. That this is possible may seem...

In the mathematical field of general topology, a meagre set (also called a meager set or a set of first category) is a subset of a topological space that...

A set in darts consists of a sequence of legs (games) played, ending when the count of legs won meets certain criteria. Throwing first is considered an...

In mathematics, a set is a collection of different things; these things are called elements or members of the set and are typically mathematical objects...

set is a generalization of an open interval in the real line. In a metric space (a set with a distance defined between every two points), an open set...

On 8 April 2025, the roof of the Jet Set nightclub in Santo Domingo, Dominican Republic collapsed during a live performance by merengue musician Rubby...

locally) a finite measure. A synonym is set of (locally) finite perimeter. Basically, a set is a Caccioppoli set if its characteristic function is a function...

a set that does not belong to a fixed universe of sets Large set (combinatorics), a set of integers whose sum of reciprocals diverges Large set (Ramsey...

geometry, a subanalytic set is a set of points (for example in Euclidean space) defined in a way broader than for semianalytic sets (roughly speaking, those...

In set theory, the complement of a set A, often denoted by A c {\displaystyle A^{c}} (or A′), is the set of elements not in A. When all elements in the...

In set theory, Zermelo–Fraenkel set theory, named after mathematicians Ernst Zermelo and Abraham Fraenkel, is an axiomatic system that was proposed in...

the concept of a wandering set formalizes a certain idea of movement and mixing. When a dynamical system has a wandering set of non-zero measure, then...

mathematics, the power set (or powerset) of a set S is the set of all subsets of S, including the empty set and S itself. In axiomatic set theory (as developed...

In bodybuilding and weight training, using drop sets (aka dropsets, descending sets, strip sets, the multi-poundage system the stripping method, triple-drops...

Set Weights (SW) is a condition for a Thoroughbred horse race. Horses carry a weight based on their age and sex. In a mixed-sex race, fillies and mares...

The Set-Up may refer to: The Set-Up (poem), a 1928 narrative poem by Joseph Moncure March; basis for the 1949 film (see below) The Set Up: The Shocking...

the Julia set and the Fatou set are two complementary sets (Julia "laces" and Fatou "dusts") defined from a function. Informally, the Fatou set of the function...

measure theory, the Baire sets form a σ-algebra of a topological space that avoids some of the pathological properties of Borel sets. There are several inequivalent...

descriptive set theory, a subset of a Polish space X {\displaystyle X} is an analytic set if it is a continuous image of a Polish space. These sets were first...

Equivalently: the set S {\displaystyle S} is perfect if S = S ′ {\displaystyle S=S'} , where S ′ {\displaystyle S'} denotes the set of all limit points...

In linear algebra and related areas of mathematics a balanced set, circled set or disk in a vector space (over a field K {\displaystyle \mathbb {K} } with...

In mathematics, a level set of a real-valued function f of n real variables is a set where the function takes on a given constant value c, that is: L c...