Minggu, 10 Agustus 2008

Mock Mathematics

A form of mathematical humor comes from using mathematical tools (both abstract symbols and physical objects such as calculators) in various ways which transgress their intended ambit. These constructions are generally devoid of any "real" mathematics, besides some basic arithmetic.

Mock mathematical reasoning

A set of equivocal jokes applies mathematical reasoning to situations where it is not entirely valid. Many of these are based on a combination of well-known quotes and basic logical constructs such as syllogisms:

Example:

Premise I: Knowledge is power.
Premise II: Power corrupts.
Conclusion: Therefore, knowledge corrupts.

This is used to demonstrate that studying causes one to fail.

Study = No fail No Study=Fail
Study + No Study = Fail + No Fail
Study (1 +No) = Fail (1+No)
Study (1 +No) = Fail (1+No)
Study = Fail

There are also a number of joke proofs, such as the proof that women are evil:

Women are the product of time and money: women = time × money
Time is money: time = money
So women are money squared: women = money2
Money is the root of all evil: money = √evil
So women are absolutely evil: women = (√evil)2 = abs(evil)

Another set of jokes relate to the absence of mathematical reasoning, or misinterpretation of conventional notation:

Examples:

\left( \lim_{x\to 8^+} \frac{1}{x-8} = \infty \right) \Rightarrow \left( \lim_{x\to 3^+} \frac{1}{x-3} = \omega \right)

That is, the limit as x goes to 8 from above is a sideways 8 or the infinity sign, in the same way that the limit as x goes to three from above is a sideways 3 or the Greek letter omega.

\frac{\sin{x}}{n} = \frac{\mbox{si}\, x}{1} = 6

(That is, the "n" in "sin" cancels with the "n" in the denominator, giving "six" and 1 respectively.) See also Anomalous cancellation.

taken from Wikipedia.com

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