PhasePhase 1 - foundations of program specification and semanticsProperties 5Hide BooksTypes and programming languagesPrefaceChapter 1. IntroductionChapter 2. Mathematical preliminariesChapter 3. Untyped arithmetic expressions+17 more ConceptsLanguage safetySafe/Sound type systemRuntime type errorType systemCapture-avoiding substitution+99 more JourneyProgramming Language Theory Order1 StatusactiveNext in Phases Phase 10 - concurrency & parallelism models