\input zb-basic
\input zb-ioport
\iteman{io-port 06091160}
\itemau{Wan, Zhengsu; Kuang, Xiang}
\itemti{Some notes on conservativeness of properties of binary relations.}
\itemso{J. Hunan Inst. Sci. Technol., Nat. Sci. 24, No. 3, 27-30 (2011).}
\itemab
Summary: Conservativeness of some properties (reflexivity, irreflexivity, symmetry, antisymmetry and transitivity) of binary relations under some operations (complement, composition, union and subtraction) are studied.
\itemrv{~}
\itemcc{}
\itemut{binary relation; operation on relations; property of relations; conservativeness}
\itemli{}
\end