David Kantor
> Nick's response to the question about m as the slope of a line
reinforces
> the notion that mathematics is the study of invariance under a
> transformation of notation.
A nice definition.
BTW, as a few people, both on- and off-list, seem to have misread my
posting, may I emphasise briefly that the whole of its substance
was a quotation from the URL referenced.
Nick
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