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Prove this grammar is Ambiguous -> -> + | -> a | b | c

Prove this grammar is Ambiguous -> -> + | -> a | b | c

Database System Concepts
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
Problem 1PE
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Prove this grammar is Ambiguous

<S> -> <A>

<A> -> <A> + <A> | <id>

<id> -> a | b | c

Expert Solution
Step 1

A grammar is said to be ambiguous if there exists more than one leftmost derivation or more than one rightmost derivation or more than one parse tree for the given input string.

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