Programming Language Theory FlashcardWhat makes a type system sound?Properties 3Hide BooksChapter 1. Introduction ConceptsSafe/Sound type system Decktype theoryQuestionWhat makes a type system sound?AnswerA type system is sound if the claim they make about the program actually holds at runtime. Previous in FlashcardsWhat kinds of languages in which parametric judgments are required to specify?Next in Flashcards What some structural properties of derivability?