Database
SUPPLEMENTARY MATERIAL (USERS' MATHBOXES)
Mathbox for Thierry Arnoux
Algebra
The semiring of ideals of a ring
idlsrgplusg
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idlsrg0g
Metamath Proof Explorer
Ascii
Unicode
Theorem
idlsrgplusg
Description:
Additive operation of the ideals of a ring.
(Contributed by
Thierry Arnoux
, 1-Jun-2024)
Ref
Expression
Hypotheses
idlsrgplusg.1
⊢
S
=
IDLsrg
⁡
R
idlsrgplusg.2
⊢
⊕
˙
=
LSSum
⁡
R
Assertion
idlsrgplusg
⊢
R
∈
V
→
⊕
˙
=
+
S
Proof
Step
Hyp
Ref
Expression
1
idlsrgplusg.1
⊢
S
=
IDLsrg
⁡
R
2
idlsrgplusg.2
⊢
⊕
˙
=
LSSum
⁡
R
3
2
fvexi
⊢
⊕
˙
∈
V
4
eqid
⊢
Base
ndx
LIdeal
⁡
R
+
ndx
⊕
˙
⋅
ndx
i
∈
LIdeal
⁡
R
,
j
∈
LIdeal
⁡
R
⟼
RSpan
⁡
R
⁡
i
LSSum
⁡
mulGrp
R
j
∪
TopSet
⁡
ndx
ran
⁡
i
∈
LIdeal
⁡
R
⟼
j
∈
LIdeal
⁡
R
|
¬
i
⊆
j
≤
ndx
i
j
|
i
j
⊆
LIdeal
⁡
R
∧
i
⊆
j
=
Base
ndx
LIdeal
⁡
R
+
ndx
⊕
˙
⋅
ndx
i
∈
LIdeal
⁡
R
,
j
∈
LIdeal
⁡
R
⟼
RSpan
⁡
R
⁡
i
LSSum
⁡
mulGrp
R
j
∪
TopSet
⁡
ndx
ran
⁡
i
∈
LIdeal
⁡
R
⟼
j
∈
LIdeal
⁡
R
|
¬
i
⊆
j
≤
ndx
i
j
|
i
j
⊆
LIdeal
⁡
R
∧
i
⊆
j
5
4
idlsrgstr
⊢
Base
ndx
LIdeal
⁡
R
+
ndx
⊕
˙
⋅
ndx
i
∈
LIdeal
⁡
R
,
j
∈
LIdeal
⁡
R
⟼
RSpan
⁡
R
⁡
i
LSSum
⁡
mulGrp
R
j
∪
TopSet
⁡
ndx
ran
⁡
i
∈
LIdeal
⁡
R
⟼
j
∈
LIdeal
⁡
R
|
¬
i
⊆
j
≤
ndx
i
j
|
i
j
⊆
LIdeal
⁡
R
∧
i
⊆
j
Struct
1
10
6
plusgid
⊢
+
𝑔
=
Slot
+
ndx
7
snsstp2
⊢
+
ndx
⊕
˙
⊆
Base
ndx
LIdeal
⁡
R
+
ndx
⊕
˙
⋅
ndx
i
∈
LIdeal
⁡
R
,
j
∈
LIdeal
⁡
R
⟼
RSpan
⁡
R
⁡
i
LSSum
⁡
mulGrp
R
j
8
ssun1
⊢
Base
ndx
LIdeal
⁡
R
+
ndx
⊕
˙
⋅
ndx
i
∈
LIdeal
⁡
R
,
j
∈
LIdeal
⁡
R
⟼
RSpan
⁡
R
⁡
i
LSSum
⁡
mulGrp
R
j
⊆
Base
ndx
LIdeal
⁡
R
+
ndx
⊕
˙
⋅
ndx
i
∈
LIdeal
⁡
R
,
j
∈
LIdeal
⁡
R
⟼
RSpan
⁡
R
⁡
i
LSSum
⁡
mulGrp
R
j
∪
TopSet
⁡
ndx
ran
⁡
i
∈
LIdeal
⁡
R
⟼
j
∈
LIdeal
⁡
R
|
¬
i
⊆
j
≤
ndx
i
j
|
i
j
⊆
LIdeal
⁡
R
∧
i
⊆
j
9
7
8
sstri
⊢
+
ndx
⊕
˙
⊆
Base
ndx
LIdeal
⁡
R
+
ndx
⊕
˙
⋅
ndx
i
∈
LIdeal
⁡
R
,
j
∈
LIdeal
⁡
R
⟼
RSpan
⁡
R
⁡
i
LSSum
⁡
mulGrp
R
j
∪
TopSet
⁡
ndx
ran
⁡
i
∈
LIdeal
⁡
R
⟼
j
∈
LIdeal
⁡
R
|
¬
i
⊆
j
≤
ndx
i
j
|
i
j
⊆
LIdeal
⁡
R
∧
i
⊆
j
10
5
6
9
strfv
⊢
⊕
˙
∈
V
→
⊕
˙
=
+
Base
ndx
LIdeal
⁡
R
+
ndx
⊕
˙
⋅
ndx
i
∈
LIdeal
⁡
R
,
j
∈
LIdeal
⁡
R
⟼
RSpan
⁡
R
⁡
i
LSSum
⁡
mulGrp
R
j
∪
TopSet
⁡
ndx
ran
⁡
i
∈
LIdeal
⁡
R
⟼
j
∈
LIdeal
⁡
R
|
¬
i
⊆
j
≤
ndx
i
j
|
i
j
⊆
LIdeal
⁡
R
∧
i
⊆
j
11
3
10
ax-mp
⊢
⊕
˙
=
+
Base
ndx
LIdeal
⁡
R
+
ndx
⊕
˙
⋅
ndx
i
∈
LIdeal
⁡
R
,
j
∈
LIdeal
⁡
R
⟼
RSpan
⁡
R
⁡
i
LSSum
⁡
mulGrp
R
j
∪
TopSet
⁡
ndx
ran
⁡
i
∈
LIdeal
⁡
R
⟼
j
∈
LIdeal
⁡
R
|
¬
i
⊆
j
≤
ndx
i
j
|
i
j
⊆
LIdeal
⁡
R
∧
i
⊆
j
12
eqid
⊢
LIdeal
⁡
R
=
LIdeal
⁡
R
13
eqid
⊢
mulGrp
R
=
mulGrp
R
14
eqid
⊢
LSSum
⁡
mulGrp
R
=
LSSum
⁡
mulGrp
R
15
12
2
13
14
idlsrgval
⊢
R
∈
V
→
IDLsrg
⁡
R
=
Base
ndx
LIdeal
⁡
R
+
ndx
⊕
˙
⋅
ndx
i
∈
LIdeal
⁡
R
,
j
∈
LIdeal
⁡
R
⟼
RSpan
⁡
R
⁡
i
LSSum
⁡
mulGrp
R
j
∪
TopSet
⁡
ndx
ran
⁡
i
∈
LIdeal
⁡
R
⟼
j
∈
LIdeal
⁡
R
|
¬
i
⊆
j
≤
ndx
i
j
|
i
j
⊆
LIdeal
⁡
R
∧
i
⊆
j
16
1
15
eqtrid
⊢
R
∈
V
→
S
=
Base
ndx
LIdeal
⁡
R
+
ndx
⊕
˙
⋅
ndx
i
∈
LIdeal
⁡
R
,
j
∈
LIdeal
⁡
R
⟼
RSpan
⁡
R
⁡
i
LSSum
⁡
mulGrp
R
j
∪
TopSet
⁡
ndx
ran
⁡
i
∈
LIdeal
⁡
R
⟼
j
∈
LIdeal
⁡
R
|
¬
i
⊆
j
≤
ndx
i
j
|
i
j
⊆
LIdeal
⁡
R
∧
i
⊆
j
17
16
fveq2d
⊢
R
∈
V
→
+
S
=
+
Base
ndx
LIdeal
⁡
R
+
ndx
⊕
˙
⋅
ndx
i
∈
LIdeal
⁡
R
,
j
∈
LIdeal
⁡
R
⟼
RSpan
⁡
R
⁡
i
LSSum
⁡
mulGrp
R
j
∪
TopSet
⁡
ndx
ran
⁡
i
∈
LIdeal
⁡
R
⟼
j
∈
LIdeal
⁡
R
|
¬
i
⊆
j
≤
ndx
i
j
|
i
j
⊆
LIdeal
⁡
R
∧
i
⊆
j
18
11
17
eqtr4id
⊢
R
∈
V
→
⊕
˙
=
+
S