ELI5
ELI5
Examples:
globalization
,
proxy server
,
hyperbolic geometry
,
dad jokes
,
theory of colours
Pseudomathematics
Pseudomathmatics is made up math, which isn't real or correct. It's when people use numbers and symbols like normal maths, but the answers don't make sense. For example, if somebody says 1 + 1 = 3, then that's an example of pseudomathmatics.
Related topics others have asked about:
0.999...
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Eccentricity (behavior)
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Indiana Pi Bill
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Mathematical fallacy
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Pseudoscience