999equals1

Why Do People Say That 1 And .999 Are Equal?

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Why do people say 1 and 0.999... are equal? Aren't they two different…
proofs

Proofs in Mathematics

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This FAQ is about proofs. Proofs are central to mathematics,…

The History and Concept of the Number 0

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The goal of this FAQ is to clear up the concept of 0 and specifically…