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Turned A, the Glossary

Index Turned A

Turned A (capital: Ɐ, lowercase: ɐ, math symbol ∀) is a letter and symbol based upon the letter A.[1]

Table of Contents

  1. 36 relations: A, Acrophony, Aleph, Ǝ, Bertrand Russell, Charles Sanders Peirce, Cheryl Misak, Cornish language, Denarius, Edward Lhuyd, Existential quantification, First-order logic, Gerhard Gentzen, Giuseppe Peano, Glossary of mathematical symbols, International Phonetic Alphabet, Latin alpha, List of logic symbols, Logogram, Michael Everson, Near-open central vowel, Open back rounded vowel, Ox, Proto-Sinaitic script, Randall Dipert, Roman Republic, Rotated letter, Sans-serif, Symbol (formal), Symbol (typeface), TeX, Transformation of text, Universal quantification, Uralic languages, Uralic Phonetic Alphabet, William Pryce.

  2. Logic symbols

A

A, or a, is the first letter and the first vowel letter of the Latin alphabet, used in the modern English alphabet, and others worldwide.

See Turned A and A

Acrophony

Acrophony (lit + φωνή phone 'sound') is the naming of letters of an alphabetic writing system so that a letter's name begins with the letter itself.

See Turned A and Acrophony

Aleph

Aleph (or alef or alif, transliterated ʾ) is the first letter of the Semitic abjads, including Phoenician ʾālep 𐤀, Hebrew ʾālef א, Aramaic ʾālap 𐡀, Syriac ʾālap̄ ܐ, Arabic ʾalif ا, and North Arabian 𐪑.

See Turned A and Aleph

Ǝ

Ǝ ǝ (turned E or reversed E) is an additional letter of the Latin alphabet used in African languages using the Pan-Nigerian alphabet. Turned A and Ǝ are Latin-script letters.

See Turned A and Ǝ

Bertrand Russell

Bertrand Arthur William Russell, 3rd Earl Russell, (18 May 1872 – 2 February 1970) was a British mathematician, logician, philosopher, and public intellectual.

See Turned A and Bertrand Russell

Charles Sanders Peirce

Charles Sanders Peirce (September 10, 1839 – April 19, 1914) was an American scientist, mathematician, logician, and philosopher who is sometimes known as "the father of pragmatism".

See Turned A and Charles Sanders Peirce

Cheryl Misak

Cheryl J. Misak is a Canadian philosopher who works in pragmatism, the history of analytic philosophy, and bioethics.

See Turned A and Cheryl Misak

Cornish language

Cornish (Standard Written Form: Kernewek or Kernowek) is a Southwestern Brittonic language of the Celtic language family.

See Turned A and Cornish language

Denarius

The denarius (dēnāriī) was the standard Roman silver coin from its introduction in the Second Punic War to the reign of Gordian III (AD 238–244), when it was gradually replaced by the antoninianus.

See Turned A and Denarius

Edward Lhuyd

Edward Lhuyd (1660– 30 June 1709), also known as Edward Lhwyd and by other spellings, was a Welsh naturalist, botanist, herbalist, alchemist, scientist, linguist, geographer, and antiquary.

See Turned A and Edward Lhuyd

Existential quantification

In predicate logic, an existential quantification is a type of quantifier, a logical constant which is interpreted as "there exists", "there is at least one", or "for some". Turned A and existential quantification are logic symbols.

See Turned A and Existential quantification

First-order logic

First-order logic—also called predicate logic, predicate calculus, quantificational logic—is a collection of formal systems used in mathematics, philosophy, linguistics, and computer science.

See Turned A and First-order logic

Gerhard Gentzen

Gerhard Karl Erich Gentzen (24 November 1909 – 4 August 1945) was a German mathematician and logician.

See Turned A and Gerhard Gentzen

Giuseppe Peano

Giuseppe Peano (27 August 1858 – 20 April 1932) was an Italian mathematician and glottologist.

See Turned A and Giuseppe Peano

Glossary of mathematical symbols

A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula.

See Turned A and Glossary of mathematical symbols

International Phonetic Alphabet

The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic notation based primarily on the Latin script.

See Turned A and International Phonetic Alphabet

Latin alpha

Latin alpha (majuscule: Ɑ, minuscule: ɑ), script a, or single-story a is a letter of the Latin alphabet based on one lowercase form of a, or on the Greek lowercase alpha (α). Turned A and Latin alpha are Latin-script letters and phonetic transcription symbols.

See Turned A and Latin alpha

List of logic symbols

In logic, a set of symbols is commonly used to express logical representation. Turned A and List of logic symbols are logic symbols.

See Turned A and List of logic symbols

Logogram

In a written language, a logogram (from Ancient Greek 'word', and 'that which is drawn or written'), also logograph or lexigraph, is a written character that represents a semantic component of a language, such as a word or morpheme.

See Turned A and Logogram

Michael Everson

Michael Everson (born January 1963) is an American and Irish linguist, script encoder, typesetter, type designer and publisher.

See Turned A and Michael Everson

Near-open central vowel

The near-open central vowel, or near-low central vowel, is a type of vowel sound, used in some spoken languages.

See Turned A and Near-open central vowel

Open back rounded vowel

The open back rounded vowel, or low back rounded vowel, is a type of vowel sound, used in some spoken languages.

See Turned A and Open back rounded vowel

Ox

An ox (oxen), also known as a bullock (in British, Australian, and Indian English), is a bovine, trained and used as a draft animal.

See Turned A and Ox

Proto-Sinaitic script

The Proto-Sinaitic script is a Middle Bronze Age writing system known from a small corpus of about 30-40 inscriptions and fragments from Serabit el-Khadim in the Sinai Peninsula, as well as two inscriptions from Wadi el-Hol in Middle Egypt.

See Turned A and Proto-Sinaitic script

Randall Dipert

Randall Roy Dipert (1951–2019) was an American philosopher and professor of philosophy at the State University of New York at Fredonia, the United States Military Academy, and the University at Buffalo where he retired as the C. S. Peirce Chair of American Philosophy.

See Turned A and Randall Dipert

Roman Republic

The Roman Republic (Res publica Romana) was the era of classical Roman civilization beginning with the overthrow of the Roman Kingdom (traditionally dated to 509 BC) and ending in 27 BC with the establishment of the Roman Empire following the War of Actium.

See Turned A and Roman Republic

Rotated letter

Note the leading J of Jacquard in Caslon italic typeface, which was turned for the pound sign £. In the days of printing with metal type sorts, it was common to rotate letters and digits 180° to create new symbols.

See Turned A and Rotated letter

Sans-serif

In typography and lettering, a sans-serif, sans serif, gothic, or simply sans letterform is one that does not have extending features called "serifs" at the end of strokes.

See Turned A and Sans-serif

Symbol (formal)

A logical symbol is a fundamental concept in logic, tokens of which may be marks or a configuration of marks which form a particular pattern. Turned A and symbol (formal) are logic symbols.

See Turned A and Symbol (formal)

Symbol (typeface)

Symbol (often written as Σψμβολ in typeface) is one of the four standard fonts available on all PostScript-based printers, starting with Apple's original LaserWriter (1985).

See Turned A and Symbol (typeface)

TeX

TeX (see below), stylized within the system as, is a typesetting program which was designed and written by computer scientist and Stanford University professor Donald Knuth and first released in 1978.

See Turned A and TeX

Transformation of text

Transformations of text are strategies to perform geometric transformations on text (reversal, rotations, etc.), particularly in systems that do not natively support transformation, such as HTML, seven-segment displays and plain text.

See Turned A and Transformation of text

Universal quantification

In mathematical logic, a universal quantification is a type of quantifier, a logical constant which is interpreted as "given any", "for all", or "for any". Turned A and universal quantification are logic symbols.

See Turned A and Universal quantification

Uralic languages

The Uralic languages, sometimes called the Uralian languages, form a language family of 42 languages spoken predominantly in Europe and North Asia.

See Turned A and Uralic languages

Uralic Phonetic Alphabet

The Uralic Phonetic Alphabet (UPA) or Finno-Ugric transcription system is a phonetic transcription or notational system used predominantly for the transcription and reconstruction of Uralic languages.

See Turned A and Uralic Phonetic Alphabet

William Pryce

William Pryce (baptised 1735–1790) was a British medical man, known as an antiquary, a promoter of the Cornish language and a writer on mining in Cornwall.

See Turned A and William Pryce

See also

Logic symbols

References

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

Also known as Turn A, Upside-down A, Upturned a, .