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In an examplary list of conditions

list={0 <= Sqrt[2] r + 2 y <= 20, y <= 6 + x, x <= 7 + y,0 <= Sqrt[2] r + 2 x <=22,
(Indeterminate | Indeterminate) \[Element] Reals,Indeterminate <= -1, Indeterminate <= 0,x <= 7 + r + y}

Mathematica produced several conditions which make no sense.

My question:

How to delete all conditions which contain Indeterminate?

Thanks

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1 Answer 1

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Select[FreeQ @ Indeterminate] @ list
{0 <= Sqrt[2] r + 2 y <= 20, 
 y <= 6 + x, 
 x <= 7 + y, 
 0 <= Sqrt[2] r + 2 x <= 22, 
 x <= 7 + r + y}
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    $\begingroup$ How easy (if you know how ;-) ) , thank you very much! $\endgroup$ Mar 16, 2021 at 9:21

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