ConceptSet comprehensionModified just nowProperties 4Hide BooksChapter 2. Mathematical preliminaries JourneyProgramming Language Theory Statusmastered Tagsset-theory-relationExample: Q={pq ∣ p∈Z∧q∈Z∧q≠0}\mathbb{Q} = \{\displaystyle \frac{p}{q}\ |\ p \in \mathbb{Z} \land q \in \mathbb{Z} \land q \neq 0 \}Q={qp ∣ p∈Z∧q∈Z∧q=0}. Previous in ConceptsSequential evaluationNext in Concepts Set difference