Push down automata for four variables in theory of automata

Push down automata for four variables

Accepted strings

Following strings must be accepted by PDA;

abcd, abbccd, aabcdd, aaabcddd,…..etc.

Rejected strings

Following strings must be rejected by PDA;

abbcd, abbbbcc, aabbcd, …….etc.

theory of automata solution

 
List of All examples of Push Down Automata (PDA): Click Here 
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