Theory of Automata and Formal Languages

A₁ aaa bbb bbb aabb alphabet Answer Let automaton Axiom B X aa baaab bbbb binary blank Construct context free grammar context free language defined denoted derivation tree Design a Turing equivalence class Example Consider final finite automata finite number finite set given number given string grammar G halting problem I/p string input string input symbol integer L B XX Markov algorithm Mealy machine Moore machine move left move right non-deterministic Non-terminal Note null number of a's opening bracket output post correspondence problem primitive recursive production rules pumping lemma PUSH-B q₁ q₂ r₁ r₂ READ recursive functions recursively enumerable regular expression regular set REJECT replace S₁ S₂ sequence STACK Step substring Theorem transition diagram transition graph Transition Table unary numbers universal turing machine V₁ V₂ w₁ w₂ words X₁ XXX YYY