(a) L1 = {vuv*w : u, v, uw E {0,1}*, |u| = |w| = 2}

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Give context-free grammars to generate the following language

(a) L1 = {vuv*w : u, v, w e {0, 1}*, |ul = |w| = 2}
Transcribed Image Text:(a) L1 = {vuv*w : u, v, w e {0, 1}*, |ul = |w| = 2}
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In formal language hypothesis, a Context Free Grammar (CFG) is a conventional punctuation wherein each creation rule is of the structure 

Aα 

where A is a solitary nonterminal image, and α is a series of terminals as well as nonterminals (α can be vacant). A proper language is considered "setting free" when its creation rules can be applied paying little mind to the setting of a nonterminal. Regardless of which images encompass it, the single nonterminal on the left hand side can generally be supplanted by the correct hand side. This is the thing that recognizes it from a setting delicate language structure. 

A proper sentence structure is basically a lot of creation decides that depict all potential strings in a given conventional language.

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