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Questions about handling with inequalities with, e.g., Reduce, Solve, FindInstance etc., their application in defining Regions, and ways to incorporate them into other computations, e.g. integration.
12
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Reduce not making full use of list of assumptions?
I have the following inequality, with conditions:
Reduce[
{-(a + b) > Sqrt[(a + b)^2 - 4 (a b - c d)],
Element[{a, b, c, d}, Reals], a + b < 0,
a b - c d > 0, (a + b)^2 > 4 (a b - c d)},
…