1. Draw the derivation tree corresponding of w = aaabbaaa using the following context-free grammar %3D G = ({S), {a, b}, S, P) with productions S aSa, S bSb, S A. 2. Define properly nested parenthesis...


1. Draw the derivation tree corresponding of w = aaabbaaa using the following<br>context-free grammar<br>%3D<br>G = ({S), {a, b}, S, P) with productions S aSa, S bSb, S A.<br>2. Define properly nested parenthesis structures involving two kinds of parentheses,<br>say () and ]. (Properly nested strings are (]), ([CO1), and [0], but not (D] or (0].<br>Define a context-free grammar for generating all properly nested parentheses.<br>3. Show that the grammar ({S}, {a, b}, S, P) with productions S - bSaS| aSbs |A is<br>ambiguous. Draw two different parsing trees for a string that starts with b.<br>

Extracted text: 1. Draw the derivation tree corresponding of w = aaabbaaa using the following context-free grammar %3D G = ({S), {a, b}, S, P) with productions S aSa, S bSb, S A. 2. Define properly nested parenthesis structures involving two kinds of parentheses, say () and ]. (Properly nested strings are (]), ([CO1), and [0], but not (D] or (0]. Define a context-free grammar for generating all properly nested parentheses. 3. Show that the grammar ({S}, {a, b}, S, P) with productions S - bSaS| aSbs |A is ambiguous. Draw two different parsing trees for a string that starts with b.

Jun 06, 2022
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