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) .
(i) Show that the string ab can be accepted by this machine by taking the branch from READ1 to POP1 , at the correct time.
(ii) Show that the string bbba can also be accepted by giving the trace that shows when to take the branch.
Transcribed Image Text:
START READ₁ PUSH x a, h a. h READ₂ POP₂ POP₁ ACCEPT
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i For the string ab to be accepted the following trace can be followed The initial state is READ0 wi...View the full answer
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