Binary and ternary relations Vítězslav Novák, Miroslav Novotný (1992) Mathematica Bohemica Two operators are constructed which make it possible to transform ternary relations into binary relations defined on binary relations and vice versa. A possible graphical representation of ternary relations is described.
Bivariate function algebras on Posets. David A. Smith (1971) Journal für die reine und angewandte Mathematik