Re: Calculus XOR Probability

On Wed, 15 Mar 2006 16:36:19 +0100, Han de Bruijn
<Han.deBruijn@xxxxxxxxxxxxxx> wrote:

OK. _Are_ infinitesimals actually _defined_ in standard mathematics?
And if so, could you please tell me how?

Oddly enough, the treatment of calculus by rigorous notion of
infinitesimals is called 'nonstandard analysis', so I guess the answer
would strictly be 'no'.

I know nothing of the details.
.

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