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 | 1 | initial version |  |
Because it is not a symmetric polynomial:
sage: f==f(x0=x1,x1=x0)
False
sage: f==-f(x0=x1,x1=x0)
True| | 1 | initial version | |
Because it is not a symmetric polynomial:
sage: f==f(x0=x1,x1=x0)
False
sage: f==-f(x0=x1,x1=x0)
True
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