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Let A = L(G1) where G1 is defined in Problem 2.25. Show that A is not a DCFL. (Hint: Assume that A is a DCFL and consider its DPDA P. Modify P so that its input alphabet is {a, b,c}. When it first enters an accept state, it pretends that c’s are b’s in the input from that point on. What language would the modified P accept?)

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Let A = L(G1) where G1 is defined in Problem 2.25. Show that A is not a DCFL. (Hint: Assume that A is...
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