$Assumptions

$Assumptions
is the default setting for the Assumptions option used in such functions as Simplify, Refine, and Integrate.

DetailsDetails

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Basic Examples  (1)Basic Examples  (1)

Set global assumptions:

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The assumptions are now used by Refine and Integrate:

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Locally add assumptions:

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Locally change assumptions:

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Remove the global assumptions:

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Introduced in 2003
(5.0)