DOUBT FUZZY BCK-SUBMODULES
In this paper, we introduce the concept of doubt fuzzy BCK-submodules and investigate some of its properties. Also, we present the notion of doubt fuzzy relation in BCK-submodules and doubt Cartesian product of doubt fuzzy BCK-submodules.
BCK-algebra, BCK-module, doubt fuzzy BCK-submodule, doubt Cartesian product.