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derivation tree

A Dictionary of Computing | 2004 | 344 words | Copyright

derivation tree A way of indicating how a context-free grammar derives a particular word. The leaf nodes of the tree are terminals, the other nodes are nonterminals. For example, the tree in the diagram shows a derivation of aabbcbb from the grammar that is shown. Many different derivation sequences can correspond to the same derivation tree.

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JOHN DAINTITH. "derivation tree." A Dictionary of Computing. 2004. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

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