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.
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Imports
Init
Mathlib.LinearAlgebra.Semisimple
Atlas.LieGroups.code.SL2Basics
Mathlib.LinearAlgebra.Eigenspace.Semisimple
Imported by
semisimple_sub_smul_id
source
theorem
semisimple_sub_smul_id
{
K
:
Type
u_1}
{
V
:
Type
u_2}
[
Field
K
]
[
AddCommGroup
V
]
[
Module
K
V
]
(
f
:
V
→ₗ[
K
]
V
)
(
c
:
K
)
(
hf
:
Module.End.IsSemisimple
f
)
:
(
f
-
c
•
LinearMap.id
).
IsSemisimple