Intuitionistic Fuzzy Pushdown Automata and Intuitionistic Fuzzy Context-Free Languages
نویسندگان
چکیده
In this paper intuitionistic fuzzy pushdown automata, acceptance by empty stack and acceptance by final states and their equivalence is proved. It follows that intuitionistic fuzzy pushdown automata with empty stack and IFPDAs are equivalent. We propose the notions of intuitionistic fuzzy context-free grammars (IFCFGs), intuitionistic fuzzy languages generated by IFCFGs. Additionally, we introduce the concepts of intuitionistic Chomsky normal form grammar and Greibach normal form grammar.
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