For consider the following nondeterministic PDA : In this machine, REJECT occurs when a string crashes. Notice

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For consider the following nondeterministic PDA :

In this machine, REJECT occurs when a string crashes. Notice here that the STACK alphabet is Γ = {x) .

Show that this PDA accepts the language of all words with an even number of letters (excluding Λ). Remember, it is also necessary to show that all words with odd length can never lead to ACCEPT.

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