Uninorm aggregation operators on the unit interval, introduced by Yager and Rybalov [1], and studied by Foder et al. [2], are special aggregation operators that have proven to be useful in many fields like fuzzy logic, expert systems, neural networks, and fuzzy system modeling.

In [3] is presented a study of uninorms on arbitrary bounded lattice, giving a method of constructing uninorms using the fact that the t-norms and t-conorms on arbitrary lattice L always exist, by the following two constructions of uninorms.: