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What is derivation tree?

This is with respect  to Context Free Grammar
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Derivation Tree is also known as Parse tree.
A parse tree is an entity which represents the structure of the derivation of a terminal string from some non-terminal (not necessarily the start symbol). The definition is as in the book. Key features to define are the root ∈ V and yield ∈ Σ* of each tree.
These are the following points given.
Parse tree is a hierarchical structure which represents the derivation of the grammar to yield input strings.
 Root node of parse tree has the start symbol of the given grammar from where the derivation proceeds.
Leaves of parse tree represent terminals.
Each interior node represents productions of grammar.
If A -> xyz is a production, then the parse tree will have A as interior node whose children are x, y and z from its left to right..

Answerd on:2017-12-06 Answerd By:mmodi1995

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