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.
RingTheory
.
Jacobson
.
Polynomial
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Imports
Init
Mathlib.RingTheory.Jacobson.Ideal
Mathlib.RingTheory.Polynomial.Quotient
Imported by
Ring
.
jacobson_polynomial_le_sInf_map_maximal
Ring
.
jacobson_polynomial_eq_bot_of_jacobson_eq_bot
Ideal
.
jacobson_bot_polynomial_le_sInf_map_maximal
Ideal
.
jacobson_bot_polynomial_of_jacobson_bot
Jacobson radical of polynomial ring
#
source
theorem
Ring
.
jacobson_polynomial_le_sInf_map_maximal
{
R
:
Type
u_1}
[
CommRing
R
]
:
jacobson
(
Polynomial
R
)
≤
sInf
(
Ideal.map
Polynomial.C
''
{
J
:
Ideal
R
|
J
.
IsMaximal
}
)
source
theorem
Ring
.
jacobson_polynomial_eq_bot_of_jacobson_eq_bot
{
R
:
Type
u_1}
[
CommRing
R
]
(
h
:
jacobson
R
=
⊥
)
:
jacobson
(
Polynomial
R
)
=
⊥
source
@[deprecated Ring.jacobson_polynomial_le_sInf_map_maximal (since := "2026-10-12")]
theorem
Ideal
.
jacobson_bot_polynomial_le_sInf_map_maximal
{
R
:
Type
u_1}
[
CommRing
R
]
:
⊥
.
jacobson
≤
sInf
(
map
Polynomial.C
''
{
J
:
Ideal
R
|
J
.
IsMaximal
}
)
source
@[deprecated Ring.jacobson_polynomial_eq_bot_of_jacobson_eq_bot (since := "2026-10-12")]
theorem
Ideal
.
jacobson_bot_polynomial_of_jacobson_bot
{
R
:
Type
u_1}
[
CommRing
R
]
(
h
:
⊥
.
jacobson
=
⊥
)
:
⊥
.
jacobson
=
⊥