G = ({S,A,B,,D}, {a,b,c},S,P} Where P, the production rules are: S → BC | AD B → aBb|2 C → cC [2 A → aA |2 D → bDc | 2

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Show G is ambiguous, give two leftmost, two rightmost & two derivation
trees.

G = ({S,A,B,D}, {a,b,c},S,P}
Where P, the production rules are:
S → BC | AD
B → aBb |2
C → cC |1
A → aA |2
D → bDc | 2
Transcribed Image Text:G = ({S,A,B,D}, {a,b,c},S,P} Where P, the production rules are: S → BC | AD B → aBb |2 C → cC |1 A → aA |2 D → bDc | 2
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