Show if G does not have a self-embedding non-terminal

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Reference no: EM131211688

Let G = (N , T , R, S) be context-free. A non-terminal A is self-embedding if

and only if sAu for some s, u ∈ T .

a) Give a procedure to determine whether A ∈ N is self-embedding.

b) Show that, if G does not have a self-embedding non-terminal, then it is regular.

Reference no: EM131211688

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