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The pumping lemma for regular languages is Theorem 1.70 on page 78 of the required text....
Use the pumping lemma for regular languages to carefully prove that the language { aibjck : 0≤ i < j < k } is not regular.
6.[15 points] Recall the pumping lemma for regular languages: Theorem: For every regular language L, there exists a pumping length p such that, if s€Lwith s 2 p, then we can write s xyz with (i) xy'z E L for each i 2 0, (ii) ly > 0, and (iii) kyl Sp. Prove that A ={a3"b"c?" | n 2 0 } is not a regular language. S= 6.[15 points] Recall the pumping lemma for regular languages: Theorem: For every regular...
1. (10 marks) Prove that the following languages are non-regular, using the Pumping Lemma. (a) (10 marks) L1 = {W € {0,1}* ||w| is odd, and the symbol in the very middle of the string is 0} For example, the strings 01011, 000000000 and 0 are in L1.]
Pumping lemma s. (7+5 points) Pumping lemma for regular languages. In all cases, -a,b) a) Consider the following regular language A. ping length p 2 1. For each string s e pumping lemma, we can write s -xy, with lyl S p, and s can be pumped. Since A is regular, A satisfies the pumping lemma with pum A, where Is] 2 p, by the a) Is p 3 a pumping length for language 4? (Yes/No) b) Show that w...
1. (Non-regular languages) Prove that the following languages are not regular. You may use the pumping lemma and the closure of the class of regular languages under union, intersection, complement, and reverse (b) L2 = { w | w ∈ {0, 1}* is not a palindrome }. A palindrome is a string that reads the same forward and backward
Can someone use pumping Lemma to show if these are regular languages or not c) Is L regular? give a finite automaton or prove using pumping lemma. (d) Is L context-free? give a context-free grammar or pushdown automaton, otherwise pr using pumping lemma. (16 pts)Given the set PRIMES (aP | p is prime (a) Prove that PRIMES is not regular. (b) Prove that PRIMES is not context-free. (c) Show if complement of PRIMES (PRIMES ) is regular or not. d)...
Use the Pumping Lemma to show that the following languages are not regular. (a){apaq | for all integers p and q where q is a prime number and p is not prime}. (b) {ai bj || i − j | = 3} (c) {ai bj ck | i = j or j 6= k} (d) {aibj | i/j is an integer}
4. (15 points) Using the pumping lemma for regular languages show that the following language is not regular
Prove the following language is not regular (you may use pumping lemma and the closure of the class of regular languages under union, intersection, and complement.): (w | w ∈ {0,1}* is not a palindrome} Please show work/explain. Thanks.
EXERCISE 7 Let B = {a"b4" I n 20. Using the pumping lemma for regular languages, prove that B is not regu