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In Portuguese, it represents a nasal near-open central vowel ([ɐ̃]), though it varies from near-open to mid-central vowel according to dialect. It also appears as a part of the diphthongs ãe, pronounced as /ɐ̃j̃/, and ão, pronounced as /ɐ̃w̃/.
Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities.
In logic, a set of symbols is commonly used to express logical representation. The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics.
The language of mathematics has a wide vocabulary of specialist and technical terms. It also has a certain amount of jargon: commonly used phrases which are part of the culture of mathematics, rather than of the subject.
ℵ 0 (aleph-nought, aleph-zero, or aleph-null) is the cardinality of the set of all natural numbers, and is an infinite cardinal.The set of all finite ordinals, called ω or ω 0 (where ω is the lowercase Greek letter omega), also has cardinality ℵ 0.
In Irish, á is called a fada ("long a"), pronounced and appears in words such as slán ("goodbye"). It is the only diacritic used in Modern Irish, since the decline of the dot above many letters in the Irish language.
Xi (/ z aɪ / ZY or /(k) s aɪ / (K)SY; [1] [2] uppercase Ξ, lowercase ξ; Greek: ξι) is the fourteenth letter of the Greek alphabet, representing the voiceless consonant cluster. ...
A – adele ring or algebraic numbers. a.a.s. – asymptotically almost surely. AC – Axiom of Choice, [1] or set of absolutely continuous functions. a.c. – absolutely continuous.