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PFR
.
Mathlib
.
Algebra
.
AddTorsor
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Imports
Init
Mathlib.Algebra.AddTorsor
Imported by
Set
.
vadd_set_vsub_vadd_set
source
@[simp]
theorem
Set
.
vadd_set_vsub_vadd_set
{G :
Type
u_1}
{P :
Type
u_2}
[
AddCommGroup
G
]
[
AddTorsor
G
P
]
(v :
G
)
(s :
Set
P
)
(t :
Set
P
)
:
v
+ᵥ
s
-ᵥ
(
v
+ᵥ
t
)
=
s
-ᵥ
t