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Leroy
.
Nucleus
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Imports
Init
Mathlib.Order.Nucleus
Imported by
Nucleus
.
sSup_apply
Nucleus
.
iSup_apply
Nucleus
.
sup_apply
source
@[simp]
theorem
Nucleus
.
sSup_apply
{
X
:
Type
u_1}
[
Order.Frame
X
]
(
s
:
Set
(
Nucleus
X
)
)
(
x
:
X
)
:
(
sSup
s
)
x
=
⨅
j
∈
upperBounds
s
,
j
x
source
@[simp]
theorem
Nucleus
.
iSup_apply
{
X
:
Type
u_1}
[
Order.Frame
X
]
(
x
:
X
)
{
ι
:
Type
u_2}
(
f
:
ι
→
Nucleus
X
)
:
(
iSup
f
)
x
=
⨅
j
∈
upperBounds
(
Set.range
f
)
,
j
x
source
@[simp]
theorem
Nucleus
.
sup_apply
{
X
:
Type
u_1}
[
Order.Frame
X
]
(
x
:
X
)
(
m
n
:
Nucleus
X
)
:
(
m
⊔
n
)
x
=
⨅
j
∈
upperBounds
{
m
,
n
}
,
j
x