Re: [Haskell-cafe] 0/0 > 1 == False

On Thu, 10 Jan 2008 10:48:51 +0200, Benja Fallenstein wrote:

Hi Mitar,

On Jan 10, 2008 9:22 AM, Mitar wrote:

...

I understand that proper mathematical behavior would be that as 0/0 is mathematically undefined that 0/0 cannot be even compared to 1.

My understanding is that common mathematical practice is that comparing an undefined value to anything (including itself) always yields false; "x /= x" is sometimes used to formalize "x is undefined."

How about this: f 1 = 1 f 2 = 2

f 3 /= f 3

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