Square root of a negative number? Say whaaat?

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amer
 
Reply Wed 28 Apr, 2010 12:20 pm
@amer,
amer;114080 wrote:
I thought I read a post that questioned the existence of imaginary (complex numbers) and I was responding to that.


I was responding to the Header, which questioned the the existence of 'i'.
 
Pyrrho
 
Reply Wed 28 Apr, 2010 01:20 pm
@Zetherin,
Zetherin;113933 wrote:
...
What sort of thing, if any, do you think Russell would call a "convenient non-fiction", or just a "non-fiction"?
...



I would imagine that he would think of the chair upon which he sat as a convenient non-fiction. A non-fiction would be an actual object, like a table, chair, tree, or person. And "convenient fictions" would be useful concepts that do not have physical instantiations. However, this is me guessing rather than finding anything in Russell regarding your question.
 
 

 
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