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Which of the following assertion is false?(a) If L is a language accepted by PDA1 by final state, there exist a PDA2 that accepts L by empty stack i.e. L=L(PDA1)=L(PDA2)(b) If L is a CFL then there exists a push down automata P accepting CF; ; by empty stack i.e. L=M(P)(c) Let L is a language accepted by PDA1 then there exist a CFG X such that L(X)=M(P)(d) All of the mentionedThe question was posed to me during a job interview.This intriguing question originated from From PDA to Grammars topic in portion Push Down Automata of Automata Theory

Answer»

Right option is (d) All of the MENTIONED

To EXPLAIN: All the assertions mentioned are THEOREMS or COROLLARY.



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