Definition:Even Integer/Even-Times Even/Historical Note
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Historical Note on Even-Times Even Integer
The introduction of the category of even-times even integers originated with the Pythagoreans.
Sources
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $4$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $4$