(9steps)
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Lemmas
list
3
jlc
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At:
append
commutes
under
sublist
1
1
1
1
1.
T:
Type
2.
Discrete{T}
3.
eq:
{T
}
4.
eq
T
T
5.
x:T. eq(x,x)
6.
x,y:T. eq(x,y)
eq(y,x)
7.
x,y,z:T. eq(x,y)
eq(y,z)
eq(x,z)
8.
L:
T List
9.
M:
T List
10.
EQ:
{T=
}
11.
EQ
T
T
12.
x,y:T. EQ(x,y)
x = y
z:T. z(
EQ) (L @ M)
z(
eq) (M @ L)
By:
UnivCD
Generated subgoal:
1
13.
z:
T
14.
z(
EQ) (L @ M)
z(
eq) (M @ L)
About:
(9steps)
PrintForm
Definitions
Lemmas
list
3
jlc
Sections
Support(jlc)
Doc