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P002
.
P2
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Imports
Init
Projects.Util
Imported by
Misc
.
P002
.
P2
.
CndX
Misc
.
P002
.
P2
.
Cnd₁
Misc
.
P002
.
P2
.
setX
Misc
.
P002
.
P2
.
set₁
Misc
.
P002
.
P2
.
n₁
Misc
.
P002
.
P2
.
cnd₁_of_cndX
Misc
.
P002
.
P2
.
setX_eq
Misc
.
P002
.
P2
.
set₁_eq
Misc
.
P002
.
P2
.
n₁_eq
source
def
Misc
.
P002
.
P2
.
CndX
(
n
:
ℕ
)
:
Prop
Equations
Misc.P002.P2.CndX
n
=
(
Nat.Prime
n
∧
∃ (
a
:
ℕ
) (
b
:
ℕ
),
Nat.Prime
a
∧
Nat.Prime
b
∧
n
=
a
+
b
∧
↑
n
=
↑
a
-
↑
b
)
Instances For
source
def
Misc
.
P002
.
P2
.
Cnd₁
(
n
:
ℕ
)
:
Prop
Equations
Misc.P002.P2.Cnd₁
n
=
(
Nat.Prime
n
∧
(∃ (
a
:
ℕ
) (
b
:
ℕ
),
Nat.Prime
a
∧
Nat.Prime
b
∧
n
=
a
+
b
)
∧
∃ (
a
:
ℕ
) (
b
:
ℕ
),
Nat.Prime
a
∧
Nat.Prime
b
∧
↑
n
=
↑
a
-
↑
b
)
Instances For
source
def
Misc
.
P002
.
P2
.
setX
:
Set
ℕ
Equations
Misc.P002.P2.setX
=
Set.ofPred
Misc.P002.P2.CndX
Instances For
source
def
Misc
.
P002
.
P2
.
set₁
:
Set
ℕ
Equations
Misc.P002.P2.set₁
=
Set.ofPred
Misc.P002.P2.Cnd₁
Instances For
source
noncomputable def
Misc
.
P002
.
P2
.
n₁
:
ℕ
Equations
Misc.P002.P2.n₁
=
Classical.epsilon
fun (
n
:
ℕ
) =>
Misc.P002.P2.Cnd₁
n
Instances For
source
theorem
Misc
.
P002
.
P2
.
cnd₁_of_cndX
{
n
:
ℕ
}
(
h
:
CndX
n
)
:
Cnd₁
n
source
@[simp]
theorem
Misc
.
P002
.
P2
.
setX_eq
:
setX
=
∅
source
@[simp]
theorem
Misc
.
P002
.
P2
.
set₁_eq
:
set₁
=
{
5
}
source
@[simp]
theorem
Misc
.
P002
.
P2
.
n₁_eq
:
n₁
=
5