Ungrammatical Sentence

A Ungrammatical Sentence is a Linguistic Expression that cannot be generated by a Natural Language Syntax.

• Example(s):
  • “Ran.”.
  • “Ran home.”.
  • “Ran home I.”.
  • “Furiously sleep ideas green colorless.”
• Counter-Example(s):
  • Grammatical Sentence, such as “Colorless green ideas sleep furiously.”
• See: Grammatically Incorrect Expression.

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References

2007

• (Kakkonen, 2007) ⇒ Tuomo Kakkonen. (2007). “Framework and Resources for Natural Language Evaluation." Academic Dissertation. University of Joensuu.
  • A language follows the rules of a given grammar and is represented by using a particular grammar formalism.
  • Definition 3-4. Grammar, rules.
    • A grammar [math]\displaystyle{ G }[/math] is a description of a language L.
    • A grammar [math]\displaystyle{ G }[/math] consists of a lexicon and rules.
    • A lexicon is a structure that defines the terminals in a language.
    • Rules describe how the terminals combine into larger entities.
  • Definition 3-5. Language generated by a grammar, derivation, grammatical and ungrammatical strings.
    • Let L(G) denote that grammar G generates language L.
    • The process of grammar rule applications is referred to as derivation.
    • L(G) is the set of sentences that can be derived by the grammar G.
    • The sentences that grammar G generates are referred to as grammatical.
    • The sentences that are not generated by G are referred to as ungrammatical.

1957

• (Chomsky, 1957) ⇒ Noam Chomsky. (1957). “Syntactic Structures." Mouton de Gruyter.

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