ConceptDerivation treeModified just nowProperties 4Hide BooksChapter 3. Untyped arithmetic expressions JourneyProgramming Language Theory Statusmastered Tagslinguisticslogicset-theory-relationsyntax grammarA specific visualization of a specific proof that t→t′t \to t't→t′. Previous in ConceptsDerivation forward chaining backward chaining bottom upNext in Concepts Derived form