[Haskell-cafe] Num instances for 2-dimensional types

Miguel Mitrofanov miguelimo38 at yandex.ru
Mon Oct 5 10:40:28 EDT 2009

Lennart Augustsson wrote:
> And what is a number?

Can't say. You know, it's kinda funny to ask a biologist what it means 
to be alive.

> Are complex numbers numbers?

Beyond any reasonable doubt. Just like you and me are most certainly alive.

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