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.
PositivePartPower
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Mathlib.Analysis.SpecialFunctions.Pow.Deriv
Imported by
Verification
.
hasDerivAt_positivePart_rpow
← Mathematical handbook
source
theorem
Verification
.
hasDerivAt_positivePart_rpow
{
p
:
ℝ
}
(
hp
:
1
<
p
)
(
x
:
ℝ
)
:
HasDerivAt
(fun (
y
:
ℝ
) =>
max
0
y
^
p
)
(
p
*
max
0
x
^
(
p
-
1
))
x