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Imported by
DimensionFormula
.
dimension_formula
source
theorem
DimensionFormula
.
dimension_formula
{
F
:
Type
u_1}
[
DivisionRing
F
]
{
V
:
Type
u_2}
[
AddCommGroup
V
]
[
Module
F
V
]
[
FiniteDimensional
F
V
]
{
W
:
Type
u_3}
[
AddCommGroup
W
]
[
Module
F
W
]
(
T
:
V
→ₗ[
F
]
W
)
:
Module.finrank
F
↥
T
.
ker
+
Module.finrank
F
↥
T
.
range
=
Module.finrank
F
V