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  2. Division by zero - Wikipedia

    en.wikipedia.org/wiki/Division_by_zero

    According to Brahmagupta, A positive or negative number when divided by zero is a fraction with the zero as denominator. Zero divided by a negative or positive number is either zero or is expressed as a fraction with zero as numerator and the finite quantity as denominator. Zero divided by zero is zero.

  3. Mathematical fallacy - Wikipedia

    en.wikipedia.org/wiki/Mathematical_fallacy

    The division-by-zero fallacy has many variants. The following example uses a disguised division by zero to "prove" that 2 = 1, but can be modified to prove that any number equals any other number. Let a and b be equal, nonzero quantities = Multiply by a = Subtract b 2

  4. Paradox - Wikipedia

    en.wikipedia.org/wiki/Paradox

    A falsidical paradox establishes a result that appears false and actually is false, due to a fallacy in the demonstration. Therefore, falsidical paradoxes can be classified as fallacious arguments: The various invalid mathematical proofs (e.g., that 1 = 2) are classic examples of this, often relying on a hidden division by zero.

  5. Misuse of statistics - Wikipedia

    en.wikipedia.org/wiki/Misuse_of_statistics

    For this degenerate case the variance cannot be calculated (division by zero). An (N=1) will always give the researcher the highest statistical correlation between intent bias and actual findings. The gambler's fallacy assumes that an event for which a future likelihood can be measured had the same likelihood of happening once it has already ...

  6. Category:Mathematical fallacies - Wikipedia

    en.wikipedia.org/wiki/Category:Mathematical...

    Pages in category "Mathematical fallacies". The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes.

  7. Talk:Mathematical fallacy - Wikipedia

    en.wikipedia.org/wiki/Talk:Mathematical_fallacy

    The division-by-zero fallacy has many variants. The following example uses a disguised division by zero to "prove" that 2 = 1... and the divide by zero is invoked, so to speak, by having a disguised zero = zero in line 3, i.e. false or irrelevant logic e.g. a fallacy, this is then on-sold by factoring ((needlessly in reality) before dividing.

  8. Fallacy of division - Wikipedia

    en.wikipedia.org/wiki/Fallacy_of_division

    Fallacy of division. The fallacy of division[1] is an informal fallacy that occurs when one reasons that something that is true for a whole must also be true of all or some of its parts. An example: The second grade in Jefferson Elementary eats a lot of ice cream. Carlos is a second-grader in Jefferson Elementary.

  9. Divisibility rule - Wikipedia

    en.wikipedia.org/wiki/Divisibility_rule

    A divisibility rule is a shorthand and useful way of determining whether a given integer is divisible by a fixed divisor without performing the division, usually by examining its digits. Although there are divisibility tests for numbers in any radix , or base, and they are all different, this article presents rules and examples only for decimal ...