Communication
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# 1+1

1+1 is a mathematical expression that evaluates to. [1]

## Arithmetic

Arithmetic or arithmetics (from the Greek ἀριθμός arithmos, "number") is the oldest and most elementary branch of mathematics.

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## Basketball

Basketball is a sport played by two teams of five players on a rectangular court.

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## Boolean algebra

In mathematics and mathematical logic, Boolean algebra is the branch of algebra in which the values of the variables are the truth values true and false, usually denoted 1 and 0 respectively.

## College basketball

The history of basketball is traced back to a YMCA International Training School, known today as Springfield College, located in Springfield, Massachusetts.

## Exclusive or

Exclusive disjunction or exclusive or is a logical operation that outputs true only when both inputs differ (one is true, the other is false).

## Fish and chips

Fish and chips is a hot dish of English origin, consisting of battered fish, commonly Atlantic cod or haddock, and chips.

## Free throw

In basketball, free throws or foul shots are unopposed attempts to score points from a restricted area on the court (the free throw line; informally known as the foul line or the charity stripe), and are generally awarded after a foul on the shooter by the opposing team.

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## High school

A high school (also secondary school, senior school, secondary college) is a school that provides adolescents with part or all of their secondary education.

## Logical disjunction

In logic and mathematics, or is the truth-functional operator of (inclusive) disjunction, also known as alternation; the or of a set of operands is true if and only if one or more of its operands is true.

## Modular arithmetic

In mathematics, modular arithmetic is a system of arithmetic for integers, where numbers "wrap around" upon reaching a certain value—the modulus.

## Musical theatre

Musical theatre is a form of theatrical performance that combines songs, spoken dialogue, acting, and dance.

## Off-Broadway

An Off-Broadway theatre is a professional venue in New York City with a seating capacity between 100 and 499.

## One and One (musical)

One & One is an American 1970s award-winning original off-Broadway musical comedy by Dianne Adams (music and lyrics), Fred Bennett (book), and Richard O'Donnell (book, music and lyrics).

## One and One (song)

"One and One" is a song by Italian electronic dance musician Robert Miles.

## One and One Is One

One and One Is One may refer to.

## One Plus One Is One

One Plus One Is One is the fourth studio album by Badly Drawn Boy, released in 2004.

## OnePlus One

The OnePlus One (also abbreviated to OPO) is an Android smartphone manufactured by OnePlus, a Chinese startup company co-founded by former Oppo vice president Pete Lau.

## Quotient ring

In ring theory, a branch of abstract algebra, a quotient ring, also known as factor ring, difference ring or residue class ring, is a construction quite similar to the factor groups of group theory and the quotient spaces of linear algebra.

## Richard O'Donnell

Richard Mark O'Donnell (born 12 September 1988) is an English footballer who plays as a goalkeeper for League One side Wigan Athletic.

## Sympathy for the Devil (film)

Sympathy for the Devil (originally titled One Plus One by the film director and distributed under that title in Europe) is a 1968 film shot mostly in color by director Jean-Luc Godard.

## United States

The United States of America (USA), commonly referred to as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major territories and various possessions.

## 0 (number)

0 (zero; BrE: or AmE) is both a number and the numerical digit used to represent that number in numerals.

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## 1 (number)

1 (one; or, also called "unit", "unity", and "(multiplicative) identity", is a number, a numeral, and the name of the glyph representing that number. It represents a single entity, the unit of counting or measurement. For example, a line segment of "unit length" is a line segment of length 1.

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## 1 + 1 (album)

1 + 1 is a duet album by Herbie Hancock (piano) and Wayne Shorter (soprano saxophone).

## 1 + 1 + 1 + 1 + ⋯

In mathematics, 1 + 1 + 1 + 1 + · · ·, also written \sum_^ n^0, \sum_^ 1^n, or simply \sum_^ 1, is a divergent series, meaning that its sequence of partial sums do not converge to a limit in the real numbers.

## 1&1 Internet

1&1 Internet, founded in 1988, is a web hosting company owned by United Internet, a German Internet company.

## 1+1 (album)

1+1 is a 1972 album by Grin, featuring songs by their guitarist Nils Lofgren.

## 1+1 (channel)

1+1 (Один плюс один, Оdyn plyus odyn (One Plus One)) is a national Ukrainian-language TV channel with a technical penetration of 95%.

## 1+1 (song)

"1+1" is a song recorded by American recording artist Beyoncé for her fourth studio album, 4 (2011).

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## 2 (number)

2 (Two) is a number, numeral, and glyph.

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## References

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