(11steps)
PrintForm
Definitions
Lemmas
list
3
jlc
Sections
Support(jlc)
Doc
At:
append
commutes
under
is
member
2
1.
T:
Type
2.
eq:
{T
}
3.
eq
T
T
4.
x:T. eq(x,x)
5.
x,y:T. eq(x,y)
eq(y,x)
6.
x,y,z:T. eq(x,y)
eq(y,z)
eq(x,z)
7.
L:
T List
8.
M:
T List
9.
x:
T
10.
x(
eq) (M @ L)
x(
eq) (L @ M)
By:
FwdThru
Thm*
eq:{T
}, L,M:T List, x:T. x(
eq) (L @ M)
x(
eq) L
x(
eq) M [-1]
Generated subgoal:
1
11.
x(
eq) M
x(
eq) L
x(
eq) (L @ M)
About:
(11steps)
PrintForm
Definitions
Lemmas
list
3
jlc
Sections
Support(jlc)
Doc