Lance Birch wrote:
> 
> >1 is arbitrary.  1=1 is redundant arbitration.
> 
> Let x = y
> It follows that:
>                   x - y = 0
> 
	You shouldn't say that, it makes the error too visible! You should say
something like:
x = y therefore x + y = 2x
      therefore x + y - 2y = 2x - 2y
      therefore 1(x - y) = 2(x - y)
      ...
	The result (and the reason it's a fallacy) are the same, but much more
hidden :)

		Jerome

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