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FORMAL LANGUAGE & AUTOMATA THEORYUse the pumping lemma to prove that the language L = \{a^n b^n : n \ge 1\} is not regular.20257mFORMAL LANGUAGE & AUTOMATA THEORYShow that the language: L = \{ a^{n!} : n \ge 0 \} is not regular or not context-free.20217mFORMAL LANGUAGE & AUTOMATA THEORYProve that L = \{ a^i b^i \mid i \ge 0 \} is not regular using the pumping lemma.20247mFormal Language & Automata TheoryShow that the language L = \{a^{n!} : n \ge 0\} is not regular or not context-free language.20217m
PreviousConstruct FOLLOW sets for the grammar: E \to T E' \\ E' \to +\,T\,E' \mid \varepsilon \\ T \to F T' \\ T' \to -\,F\,T' \mid \varepsilon \\ F \to (E) \mid idNextProve that the halting problem for Turing machines is recursively undecidable.
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