Open AccessAn extension for the concept of finite index of a context-free grammar
Author(s) -
Toivo Lepistö
Publication year - 1972
Publication title -
annales academiae scientiarum fennicae. series a 1, mathematica
Language(s) - English
Resource type - Journals
ISSN - 0066-1953
DOI - 10.5186/aasfm.1972.518
Subject(s) - extension (predicate logic) , index (typography) , grammar , computer science , context (archaeology) , mathematics , linguistics , programming language , philosophy , history , archaeology