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.
LocalRing
.
ResidueField
.
Algebraic
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Imports
Init
Mathlib.RingTheory.Algebraic.Integral
Mathlib.RingTheory.LocalRing.ResidueField.Ideal
Imported by
instIsAlgebraicQuotientIdealResidueField
instIsAlgebraicResidueFieldOfIsIntegral
Algebraic extensions of the residue field
#
source
instance
instIsAlgebraicQuotientIdealResidueField
{
R
:
Type
u_1}
[
CommRing
R
]
(
p
:
Ideal
R
)
[
p
.
IsPrime
]
:
Algebra.IsAlgebraic
(
R
⧸
p
)
p
.
ResidueField
source
instance
instIsAlgebraicResidueFieldOfIsIntegral
{
R
:
Type
u_1}
{
S
:
Type
u_2}
[
CommRing
R
]
[
CommRing
S
]
[
Algebra
R
S
]
(
p
:
Ideal
R
)
(
P
:
Ideal
S
)
[
p
.
IsPrime
]
[
P
.
IsPrime
]
[
P
.
LiesOver
p
]
[
Algebra.IsIntegral
R
S
]
:
Algebra.IsAlgebraic
p
.
ResidueField
P
.
ResidueField