ConceptSet differenceModified just nowProperties 4Hide BooksChapter 2. Mathematical preliminaries JourneyProgramming Language Theory Statusmastered Tagsset-theory-relationDefinition: R−Q={x ∣ x∈R∧ x∉Q}R - Q = \{x \ | \ x \in R \land \ x \notin Q \}R−Q={x ∣ x∈R∧ x∈/Q}. Previous in ConceptsSet comprehensionNext in Concepts Shadowing