• set of all even integers, expressed in set-builder notation. In mathematics and more specifically in set theory, set-builder notation is a notation for...
    14 KB (1,917 words) - 20:19, 4 March 2025
  • Thumbnail for Set (mathematics)
    {\displaystyle \{0,1,-1,2,-2,3,-3,\ldots \}.} Set-builder notation specifies a set as being the set of all elements that satisfy some logical formula...
    49 KB (7,041 words) - 14:13, 19 June 2025
  • Thumbnail for Cartesian product
    where a is an element of A and b is an element of B. In terms of set-builder notation, that is A × B = { ( a , b ) ∣ a ∈ A    and    b ∈ B } . {\displaystyle...
    27 KB (3,945 words) - 17:31, 22 April 2025
  • has blonde hair} denotes the set of everything with blonde hair. This notation is called set-builder notation (or "set comprehension", particularly in...
    35 KB (4,774 words) - 22:32, 25 May 2025
  • Thumbnail for Intersection (set theory)
    of the collection M {\displaystyle M} is defined as the set (see set-builder notation) ⋂ A ∈ M A = { x :  for all  A ∈ M , x ∈ A } . {\displaystyle \bigcap...
    12 KB (1,734 words) - 23:16, 26 December 2023
  • Thumbnail for Symmetric difference
    using the XOR operation ⊕ on the predicates describing the two sets in set-builder notation: A Δ B = { x : ( x ∈ A ) ⊕ ( x ∈ B ) } . {\displaystyle A\mathbin...
    16 KB (2,441 words) - 17:45, 28 September 2024
  • Thumbnail for Union (set theory)
    the set of elements which are in A, in B, or in both A and B. In set-builder notation, A ∪ B = { x : x ∈ A  or  x ∈ B } {\displaystyle A\cup B=\{x:x\in...
    14 KB (1,989 words) - 08:46, 6 May 2025
  • 2.  Set-builder notation for a singleton set: { x } {\displaystyle \{x\}} denotes the set that has x as a single element. {□, ..., □} Set-builder notation:...
    75 KB (9,929 words) - 21:59, 28 May 2025
  • mathematical set-builder notation (set comprehension) as distinct from the use of map and filter functions. Consider the following example in mathematical set-builder...
    22 KB (2,556 words) - 03:26, 3 March 2025
  • expressed notationally as 3 ∈ A {\displaystyle 3\in A} . Writing A = { 1 , 2 , 3 , 4 } {\displaystyle A=\{1,2,3,4\}} means that the elements of the set A are...
    7 KB (846 words) - 03:34, 23 March 2025
  • concept of a relation, but using more notation (including set-builder notation): A function is formed by three sets, the domain X , {\displaystyle X,} the...
    76 KB (11,410 words) - 20:15, 22 May 2025
  • a singleton (also known as a unit set or one-point set) is a set with exactly one element. For example, the set { 0 } {\displaystyle \{0\}} is a singleton...
    6 KB (828 words) - 18:55, 11 May 2025
  • notations are described in International standard ISO 31-11. Thus, in set builder notation, ( a , b ) = ] a , b [ = { x ∈ R ∣ a < x < b } , [ a , b ) = [ a...
    34 KB (4,814 words) - 11:08, 2 June 2025
  • Thumbnail for Complement (set theory)
    this notation is ambiguous, as in some contexts (for example, Minkowski set operations in functional analysis) it can be interpreted as the set of all...
    12 KB (1,515 words) - 07:59, 27 January 2025
  • satisfies Φ {\displaystyle \Phi } may be expressed with the shorthand notation Φ ( x ) = y {\displaystyle \Phi (x)=y} . Another approach is taken by the...
    9 KB (1,279 words) - 16:32, 17 November 2024
  • set theory Morse–Kelley set theory Tarski–Grothendieck set theory Ackermann set theory Type theory New Foundations Positive set theory Internal set theory...
    2 KB (144 words) - 04:21, 26 November 2024
  • a set-theoretic paradox published by the British philosopher and mathematician, Bertrand Russell, in 1901. Russell's paradox shows that every set theory...
    32 KB (4,621 words) - 14:05, 26 May 2025
  • Thumbnail for Power set
    the notation 2S denoting the power set P(S) are demonstrated in the below. An indicator function or a characteristic function of a subset A of a set S with...
    21 KB (2,479 words) - 08:24, 18 June 2025
  • mathematics, an uncountable set, informally, is an infinite set that contains too many elements to be countable. The uncountability of a set is closely related...
    6 KB (884 words) - 06:49, 8 April 2025
  • Thumbnail for Venn diagram
    Venn diagram (redirect from Set diagram)
    between sets, popularized by John Venn (1834–1923) in the 1880s. The diagrams are used to teach elementary set theory, and to illustrate simple set relationships...
    31 KB (3,242 words) - 13:31, 22 April 2025
  • steps of collection of sets, followed by a restriction through separation. All results are also expressed using set builder notation. Firstly, given b {\displaystyle...
    10 KB (1,586 words) - 11:54, 3 May 2025
  • Thumbnail for Infinite set
    In set theory, an infinite set is a set that is not a finite set. Infinite sets may be countable or uncountable. The set of natural numbers (whose existence...
    8 KB (917 words) - 03:24, 10 May 2025
  • Thumbnail for Empty set
    the empty set, but this is now considered to be an improper use of notation. The symbol ∅ is available at Unicode point U+2205 ∅ EMPTY SET. It can be...
    15 KB (2,229 words) - 02:12, 26 May 2025
  • In set theory, a universal set is a set which contains all objects, including itself. In set theory as usually formulated, it can be proven in multiple...
    10 KB (1,327 words) - 06:43, 21 May 2024
  • Axiom schema of specification (category Axioms of set theory)
    } . By the axiom of extensionality this set is unique. We usually denote this set using set-builder notation as B = { x ∈ A | φ ( x ) } {\displaystyle...
    15 KB (2,207 words) - 05:19, 24 March 2025
  • any sets whatsoever is called a family of sets, set family, or a set system. Additionally, a family of sets may be defined as a function from a set I {\displaystyle...
    10 KB (1,533 words) - 02:20, 8 February 2025
  • mathematics, a set is countable if either it is finite or it can be made in one to one correspondence with the set of natural numbers. Equivalently, a set is countable...
    28 KB (4,381 words) - 01:01, 29 March 2025
  • Z notation, a formal notation for specifying objects using Zermelo–Fraenkel set theory and first-order predicate logic Ordinal notation Set-builder notation...
    10 KB (1,089 words) - 08:43, 13 May 2025
  • is the set of elements that commute with every element of G. It is denoted Z(G), from German Zentrum, meaning center. In set-builder notation, Z(G) =...
    12 KB (1,189 words) - 19:22, 28 May 2025
  • Thumbnail for Subset
    {\displaystyle k} -subsets of an n {\displaystyle n} -element set. In set theory, the notation [ A ] k {\displaystyle [A]^{k}} is also common, especially...
    11 KB (1,734 words) - 18:05, 12 March 2025