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What (who) is partial equivalence relation - definition
MATHEMATICAL CONCEPT FOR COMPARING OBJECTS
⇹; Partial relation; Draft:Partial equivalence; Draft:Restricted equivalence relation
partial equivalence relation
(PER) A relation R on a set S where R is symmetric (x R y => y
R x) and transitive (x R y R z => x R z) and where there may
exist elements in S for which the relation is not defined. A
PER is an equivalence relation on the subset for which it is
defined, i.e. it is also reflexive (x R x).
Partial equivalence relation
In mathematics, a partial equivalence relation (often abbreviated as PER, in older literature also called restricted equivalence relation) is a homogeneous binary relation that is symmetric and transitive. If the relation is also reflexive, then the relation is an equivalence relation.
Finitary relation
PROPERTY THAT ASSIGNS TRUTH VALUES TO K-TUPLES OF INDIVIDUALS
Unary relation; N-ary relation; Nary relation; Kary relation; Dyadic Relation; Polyadic relation; Theory of relations; N-ary relations; Relation (logic); Quaternary relation; Subrelation
In mathematics, a finitary relation over sets is a subset of the Cartesian product ; that is, it is a set of n-tuples consisting of elements xi in Xi. Typically, the relation describes a possible connection between the elements of an n-tuple.
Wikipedia
Partial equivalence relation
In mathematics, a partial equivalence relation (often abbreviated as PER, in older literature also called restricted equivalence relation) is a homogeneous binary relation that is symmetric and transitive. If the relation is also reflexive, then the relation is an equivalence relation.
