Tag Archives: groups

Numbers Gotta Number

Multiplying by i

Recently I did a series of posts about how the complex numbers arise from a natural progression of math realizations. I’ve done posts in the past about how the natural numbers lead through the integers and rationals to the real numbers. (And I’ve done posts about how weird the real numbers are, but that’s another topic.)

I recently came across another way a progression of obvious natural questions directly leads to the necessity of a new type of number, and this progression takes us all the way from the naturals to the complex numbers.

All by asking, “What do you get when you…”

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Sideband #37: Joining the Group

A recent Saturday Morning Breakfast Cereal comic set off “Ah, Yes!” bells today. It explains graphically and precisely why I’m so allergic to trendy:

from SMBC by Zach Weiner

Or as great Groucho Marx so famously put it, “I refuse to join any club that would have me as a member.”

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