ConceptN place relationModified just nowProperties 4Hide BooksChapter 2. Mathematical preliminaries JourneyProgramming Language Theory Statusmastered Tagsset-theory-relationGiven nnn sets X1,X2,...,XnX_1, X_2, ..., X_nX1,X2,...,Xn, the subset of the Cartesian product X1×X2×...×XnX_1 \times X_2 \times ... \times X_nX1×X2×...×Xn. Previous in ConceptsMutationNext in Concepts Name combination algebra