Serial relation

Serial relation

In mathematics and logic, a serial relation is a relation "R" such that:

:(allx) (existy) ("Rxy")

"R" is serial iff for all "x" in "X" there is a "y" in "X" such that "Rxy".

If "R" is reflexive, it is serial.

References

*cite journal|last = Yao|first = Y.Y.|coauthors = Wong, S.K.M.|title = Generalization of rough sets using relationships between attribute values|journal = Proceedings of the 2nd Annual Joint Conference on Information Sciences|date = 1995|pages = 30–33|url = http://www2.cs.uregina.ca/~yyao/sorted_it/relation.pdf (see footnote, page 32 – page 3 in .pdf file.)


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