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

28 relations: Arithmetic, Basketball, Boolean algebra, College basketball, Exclusive or, Fish and chips, Free throw, Logical disjunction, Modular arithmetic, One and One (musical), One and One (song), One and One Is One, One Plus One Is One, OnePlus One, Quotient ring, Secondary school, Sympathy for the Devil (1968 film), United States, Unomásuno, 0, 1, 1 + 1 + 1 + 1 + ⋯, 1&1 Internet, 1+1 (Grin album), 1+1 (Herbie Hancock and Wayne Shorter album), 1+1 (song), 1+1 (TV channel), 2.


Arithmetic (from the Greek ἀριθμός arithmos, "number") is a branch of mathematics that consists of the study of numbers, especially the properties of the traditional operations on them—addition, subtraction, multiplication and division.

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Basketball is a team sport played 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.

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Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

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Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

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Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

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Christmas traditions

Christmas traditions vary from country to country.

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College basketball

College basketball today is governed by collegiate athletic bodies including the United States' National Collegiate Athletic Association (NCAA), the National Association of Intercollegiate Athletics (NAIA), the United States Collegiate Athletic Association (USCAA), the National Junior College Athletic Association (NJCAA), and the National Christian College Athletic Association (NCCAA).

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Exclusive or

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

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Fish and chips

Fish and chips is a hot dish of English origin consisting of fried battered fish and hot potato chips.

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Free throw

In basketball, free throws or foul shots are unopposed attempts to score points by shooting from behind the free throw line (informally known as the foul line or the charity stripe), a line situated at the end of the restricted area.

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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.

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Modular arithmetic

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

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New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

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New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

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New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

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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).

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One and One (song)

"One and One" is a song written by Billy Steinberg, Rick Nowels and Marie-Claire D'Ubaldo.

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One and One Is One

One and One Is One may refer to.

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One Plus One Is One

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

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OnePlus One

The OnePlus One (colloquially abbreviated to OPO) is an Android smartphone manufactured by OnePlus.

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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 quotient groups of group theory and the quotient spaces of linear algebra.

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Secondary school

A secondary school is both an organization that provides secondary education and the building where this takes place.

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Sympathy for the Devil (1968 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.

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United States

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

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Unomásuno (English: One Plus One) is a Mexican tabloid newspaper with daily circulation in Mexico City.

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0 (zero) is both a number and the numerical digit used to represent that number in numerals.

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1 (one, also called unit, unity, and (multiplicative) identity) is a number, numeral, and glyph.

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1 + 1 + 1 + 1 + ⋯

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

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1&1 Internet

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

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1+1 (Grin album)

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

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1+1 (Herbie Hancock and Wayne Shorter album)

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

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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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1+1 (TV channel)

1+1 (Ukrainian: один плюс один, odyn plyus odyn) is a national Ukrainian-language TV channel, owned by 1+1 Media Group, with a technical penetration of 95%.

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

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2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

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2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

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Redirects here:

1 & 1, 1 + 1, 1 and 1, 1&1, 1+1 (disambiguation), 1and1, One & One, One & One (disambiguation), One Plus One, One Plus One (disambiguation), One and One, One and one, One and one (disambiguation), One plus one, One-and-one.


[1] https://en.wikipedia.org/wiki/1%2B1

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