A Daughter of Eve Honore de Balzac. Frank H. Nelson of Cincinnati Warren C. Something that represents something else by association, resemblance, or convention, especially a material object used to represent something invisible. A printed or written sign used to represent an operation, an element, a quantity, or a Symbols, as in mathematics or chemistry. A conventional sign. Published by Houghton Mifflin Company. A conventional, printed or written figure used to represent an operation, element, quantity, relation, unit of measurement, phenomenon, or descriptor.

Also called sign. All rights reserved. The Worst Words? See Them Now! Philosophy portal. HTML 5. Symbols 9 September Math Vault. Retrieved Springer-Verlag, Common logical symbols.

Outline History. Argumentation Metalogic Metamathematics Set. D'Alembertian ; wave operator. B; the set of boolean values; the set of truth values. C; the set of complex numbers. Galois field. Galois field, or finite field. Field mathematics theory. H; the set of quaternions. Indicator function. Boolean algebra. Hadamard product.

Big O notation. Computational complexity theory. P; the Symbols of prime numbers. P; the projective space; the projective line; the projective plane, *Symbols*. Power set. Q; the set of rational numbers; the rationals. R; the set of real numbers; the Symbols. U; the universal set; the set of all numbers; all numbers considered. Cartesian product.

Gamma function. Dirac delta function. Kronecker delta. Functional derivative. Differential operators. Homotopy group. Homotopy theory. Retrieved 18 November Math Vault. Retrieved August 8, Retrieved 16 November Because of the lack of notational consensus, it is probably better to spell out "Contradiction!

Retrieved Archived from the original on 1 December Tex Stack Exchange. TeX Stack Exchange. Cushing, p. Wolfram Research. Google Groups. Benatia, A. Lazrik, and K. Categories : Mathematical notation Mathematics-related lists Mathematical symbols Mathematical tables Mathematical logic Lists of symbols.

Hidden categories: Webarchive template wayback links Articles with short description Short description is different from Wikidata Articles with too many examples from September All articles with too many examples Wikipedia articles with style issues from September All articles with style issues Articles with multiple maintenance issues. Namespaces Article Talk. Views Read Edit View history. Help Learn to edit Community portal Recent changes Upload file.

Download as PDF Printable version. Wikimedia Commons. Indicates the functional nature of an expression without assigning a specific symbol for an argument. Contour integral; closed line integral contour integral of calculus. Similar to the integral, but used to denote a single integration over a closed curve or loop.

It is sometimes used in physics texts involving equations regarding Gauss's Lawand while these formulas involve a closed surface integralthe representations describe only the first integration of the volume over the enclosing surface.

Sometimes used in proofs before logical consequences. The statement! A is true if and only if A is false. A slash placed through another operator is the same as "! The symbol! Computer scientists will often use!

The forms!

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