Zero
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Zero (written "0") is a non-natural number that serves as an additive identity. It has sometimes been regarded as conceptually problematic, and was excluded from classical Greek mathematics[1], though it eventually gained acceptance in Europe as a result of contact with Muslim mathematical though.[2] Zero differs from other real and imaginary numbers in that division by it is not possible[3] - in fact, this property of zero lies at the heart at a number of fallacious mathematical arguments.[4]
Sources:
- â D. F. Wallace - 2003. Everything and More: A Compact History of Infinity
- â J. L. Berggren - 1986. Episodes in the Mathematics of Medieval Islam
- â http://mathworld.wolfram.com/DivisionbyZero.html
- â http://mathforum.org/dr.math/faq/faq.false.proof.html