R: Changing One's Mind

From: scerir (scerir@libero.it)
Date: Sat Jun 15 2002 - 15:12:12 MDT

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Colin:

> It's interesting that this thread started with a proof of
> 2 = 1 which revolves around the mathematically 'irrational'
> use of "0" [...]

>From Brahmagupta's "Brahmasphuttasiddhanta",
very ancient math rules

"A number subtracted from itself is zero."
"A fortune minus zero is a fortune."
"A debt minus zero is a debt."
"A fortune subtracted from zero is a debt."
"The product or quotient of two debts is a fortune."
"The product of a debt and a fortune is a debt."

:-)

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