Question

Are the following languages regular languages or not ? Justify your answer with a proof. If...

Are the following languages regular languages or not ? Justify your answer with a proof.

If it is regular , give an automata , if it is not justify with a pumping lemma

  1. ? = {? | ? represents an integer strictly greater than 2020}, on alphabet Σ = {0,…,9}.
  2. ? = {? | |?|a > |?|b} on alphabet Σ = {a,b}
  3. ? = {? | ? is the code of a LOOP program syntactically correct }
  4. ? = {02?| ? ∈ ℕ} sur alphabet Σ = {0}.

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Answer #1

SOLUTION-

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