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Rigorously division by zero is "undefined" in mathematics.
by rpaddock 3y ago
Rigorously division by zero is "undefined" in mathematics.
- pvillano 3y agoYou can totally define division by zero. "There are mathematical structures in which [dividing by zero] is defined. [...] However, such structures do not satisfy every ordinary rule of arithmetic (the field axioms)." https://wikipedia.org/wiki/Division_by_zero https://wikipedia.org/wiki/Division_by_zero You're familiar with the ordinary rules of arithmetic (ORA!) applied to the real numbers. However, there are many number systems that follow different rules. The rules of arithmetic for floats, wraparound ints, elliptic curves, and asymptotic analysis are all different from ORA! (and each other) but they are useful in their own ways.