notion of equivalence (formalized as an equivalence relation), then one may naturally split the set S {\displaystyle S} into equivalence classes. These equivalence...
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{\displaystyle a=c} (transitive). Each equivalence relation provides a partition of the underlying set into disjoint equivalence classes. Two elements of the given...
31 KB (4,473 words) - 11:36, 3 May 2025
Equivalence partitioning or equivalence class partitioning (ECP) is a software testing technique that divides the input data of a software unit into partitions...
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A forwarding equivalence class (FEC) is a term used in Multiprotocol Label Switching (MPLS) to describe a set of packets with similar or identical characteristics...
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(mathematics) Equivalence relation Equivalence class Equivalence of categories, in category theory Equivalent infinitesimal Identity Matrix equivalence in linear...
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b=gag^{-1}.} This is an equivalence relation whose equivalence classes are called conjugacy classes. In other words, each conjugacy class is closed under b...
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Ordinal number (redirect from Second number class)
intended to be defined as an isomorphism class of well-ordered sets: that is, as an equivalence class for the equivalence relation of "being order-isomorphic"...
48 KB (6,709 words) - 19:34, 10 February 2025
Integer (section Equivalence classes of ordered pairs)
independent of the choice of representatives of the equivalence classes. Every equivalence class has a unique member that is of the form (n,0) or (0,n)...
35 KB (3,979 words) - 15:44, 27 April 2025
Unicode equivalence is the specification by the Unicode character encoding standard that some sequences of code points represent essentially the same...
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write x ≡ y for "x and y are topologically indistinguishable". The equivalence class of x will be denoted by [x]. By definition, any two distinct points...
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Homotopy (redirect from Homotopy equivalence)
states. Fiber-homotopy equivalence (relative version of a homotopy equivalence) Homeotopy Homotopy type theory Mapping class group Poincaré conjecture...
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Enharmonic equivalence In music theory, equivalence class is an equality (=) or equivalence between properties of sets (unordered) or twelve-tone rows...
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shown that this is an equivalence relation. The equivalence classes are called the ideal classes of R {\displaystyle R} . Ideal classes can be multiplied:...
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numbers can be formally defined as equivalence classes of pairs of integers (p, q) with q ≠ 0, using the equivalence relation defined as follows: ( p 1...
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matrix equivalence a generalization of row equivalence. The rank property yields an intuitive canonical form for matrices of the equivalence class of rank...
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{\displaystyle X} comprises a single class, and we wish to express this class (i.e., this subset) using the equivalence classes induced by attribute subset P...
52 KB (8,170 words) - 03:20, 26 March 2025
called "equal up to an equivalence relation R" if a and b are related by R, that is, if aRb holds, that is, if the equivalence classes of a and b with respect...
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Set theory (music) (redirect from Equivalence relation (music))
If x is a pitch class, the inversion with index number n is written In = n - x mod 12. "For a relation in set S to be an equivalence relation [in algebra]...
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be an equivalence relation on X . {\displaystyle X.} The quotient set Y = X / ∼ {\displaystyle Y=X/{\sim }} is the set of equivalence classes of elements...
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Divisor (algebraic geometry) (redirect from Linear equivalence)
1-forms yield linearly equivalent divisors. Any divisor in this linear equivalence class is called the canonical divisor of X, KX. The genus g of X can be...
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Similarity (network science) (redirect from Regular equivalence)
in the same equivalence class. There are three fundamental approaches to constructing measures of network similarity: structural equivalence, automorphic...
10 KB (1,500 words) - 07:11, 18 August 2021
Necklace (combinatorics) (section Equivalence classes)
In combinatorics, a k-ary necklace of length n is an equivalence class of n-character strings over an alphabet of size k, taking all rotations as equivalent...
8 KB (1,111 words) - 10:20, 30 March 2024
rational number.) So strictly speaking, the surreal numbers are equivalence classes of representations of the form { L | R } that designate the same...
84 KB (11,658 words) - 02:56, 9 May 2025
the equivalence class of the result depends only on the equivalence classes of the summands, and thus that this defines an addition of equivalence classes...
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Binary quadratic form (redirect from Class number (binary quadratic forms))
partitioned into equivalence classes, called classes of quadratic forms. A class invariant can mean either a function defined on equivalence classes of forms...
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the notion of a germ of an object in/on a topological space is an equivalence class of that object and others of the same kind that captures their shared...
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vectors in N {\displaystyle N} get mapped into the equivalence class of the zero vector. The equivalence class – or, in this case, the coset – of x {\displaystyle...
11 KB (1,567 words) - 15:45, 28 December 2024
Euler's rotation theorem (section Equivalence classes)
is a class function. This matrix transformation is clearly an equivalence relation, that is, all such equivalent matrices form an equivalence class. In...
30 KB (4,497 words) - 18:43, 22 April 2025
X} , together with a partial order on the set of equivalence class. Like partial orders and equivalence relations, preorders (on a nonempty set) are never...
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identification of an element x of M' with the equivalence class of sequences in M converging to x (i.e., the equivalence class containing the sequence with constant...
16 KB (2,522 words) - 21:18, 28 April 2025