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Test the sign
Posted:
Jun 28, 1996 9:42 AM


I am trying to evaluate the signs of some symbolic expressions. The following is a simple example.
Suppose:
a > 0 b > 0 c > 0 0 < d < 1
We know that a*b*c  a*b*c*d >0
Can I define the variables in such a way that Mathematica can evaluate the expression.
Thanks, Dan Rogers



