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Null sign

Index Null sign

In mathematics, the null sign (∅) denotes the empty set. [1]

10 relations: André Weil, Ø, Danish orthography, Empty set, Linguistics, Morpheme, Nicolas Bourbaki, Norwegian orthography, Phi, Phone (phonetics).

André Weil

André Weil (6 May 1906 – 6 August 1998) was an influential French mathematician of the 20th century, known for his foundational work in number theory, algebraic geometry.

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Ø

Ø (or minuscule: ø) is a vowel and a letter used in the Danish, Norwegian, Faroese, and Southern Sami languages.

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Danish orthography

Danish orthography is the system used to write the Danish language.

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Empty set

In mathematics, and more specifically set theory, the empty set or null set is the unique set having no elements; its size or cardinality (count of elements in a set) is zero.

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Linguistics

Linguistics is the scientific study of language, and involves an analysis of language form, language meaning, and language in context.

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Morpheme

A morpheme is the smallest grammatical unit in a language.

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Nicolas Bourbaki

Nicolas Bourbaki is the collective pseudonym under which a group of (mainly French) 20th-century mathematicians, with the aim of reformulating mathematics on an extremely abstract and formal but self-contained basis, wrote a series of books beginning in 1935.

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Norwegian orthography

Norwegian orthography is the method of writing the Norwegian language, of which there are two written standards: Bokmål and Nynorsk.

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Phi

Phi (uppercase Φ, lowercase φ or ϕ; ϕεῖ pheî; φι fi) is the 21st letter of the Greek alphabet.

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Phone (phonetics)

In phonetics and linguistics, a phone is any distinct speech sound or gesture, regardless of whether the exact sound is critical to the meanings of words.

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References

[1] https://en.wikipedia.org/wiki/Null_sign

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