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A context-free grammar in which the right hand side of any production rule consists of either one terminal symbol or two non-terminal symbols.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: computing, computing-theory, engineering, mathematics, natural-sciences, physical-sciences, sciences
Examples
- Any ε-free Context Free Grammar can be converted (through an algorithm) into one in Chomsky Normal Form, and there is an algorithm that can parse formulas in the language of such a grammar in polynomial time; it is called the CYK algorithm.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
A context-free grammar in which the right hand side of any production rule consists of either one terminal symbol or two non-terminal symbols (neither of which is the start symbol) or the epsilon (i.e. null string) symbol, but only if the left hand side is the start symbol. (Note: this is the full-fledged version, whereas the previous definition may be said to be defining Chomsky reduced form.)
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: computing, computing-theory, engineering, mathematics, natural-sciences, physical-sciences, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Named after Noam Chomsky (b. 1928), American linguist and philosopher, who first described it.
