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This language also has an unambiguous grammar, consisting of a single production rule: A → ε …meaning that the unique production can produce only the empty string, which is the unique string in the language. In the same way, any grammar for a non-empty language can be made ambiguous by adding duplicates.
India, officially the Republic of India (ISO: Bhārat Gaṇarājya), [21] is a country in South Asia.It is the seventh-largest country by area; the most populous country with effect from June 2023; [22] [23] and from the time of its independence in 1947, the world's most populous democracy.
It is decidable whether a given grammar is a regular grammar, [26] as well as whether it is an LL grammar for a given k≥0. [27]: 233 If k is not given, the latter problem is undecidable. [27]: 252 Given a context-free grammar, it is not decidable whether its language is regular, [28] nor whether it is an LL(k) language for a given k.
någon, något, några, often contracted to and nearly always said as nån, nåt, nåra: [ii] some/any, a few; someone/anyone, somebody/anybody, something/anything (the distinction between some in an affirmative statement and any in a negative or interrogative context is actually a slight difficulty for Swedes learning English).
The International Radiotelephony Spelling Alphabet or simply Radiotelephony Spelling Alphabet, commonly known as the NATO phonetic alphabet, is the most widely used set of clear-code words for communicating the letters of the Roman alphabet.
There are eight most widely-spoken Filipino regional languages: Tagalog, Cebuano, Ilocano, Hiligaynon or Ilonggo, Bikol, Waray, Pampangan, and Pangasinense. Next, children learn their country's two national languages: Filipino (Tagalog) and English. [11] Effectively, by adulthood, children are often at least proficiently bilingual or trilingual.
A 1996 study of flaccid length found a mean of 8.8 cm (3.5 in) when measured by staff. [3] Flaccid penis length can sometimes be a poor predictor of erect length. An adult penis that is abnormally small but otherwise normally formed is referred to in medicine as a micropenis , with the cutoff usually being defined as around 3 inches (7.6 cm).
Smallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus. [7] [11] The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) certified the global eradication of the disease in 1980, [10] making smallpox the only human disease to have been eradicated to date.