(15steps)
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list
3
jlc
Sections
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At:
is
member
append
lemma
1
2
1
1.
T:
Type
2.
eq:
{T=
}
3.
eq
T
T
4.
x,y:T. eq(x,y)
x = y
5.
L:
T List
6.
x:
T
7.
u:
T
8.
v:
T List
9.
x(
eq) v
(
M,N:T List. v = (M @ (x.N)))
10.
eq(x,u) = true
True
(
M,N:T List. u.v = (M @ (x.N)))
By:
Analyze 0
THEN
Thin -1
Generated subgoal:
1
M,N:T List. u.v = (M @ (x.N))
About:
(15steps)
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3
jlc
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Doc
M,N:T List. u.v = (M @ (x.N))
}
T
T
x,y:T. eq(x,y) 
x = y
