(12steps)
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Definitions
Lemmas
list
3
jlc
Sections
Support(jlc)
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At:
sublist
tail
1
1
1
1
1
1.
T:
Type
2.
Discrete{T}
3.
eq:
{T
}
4.
u:
T
5.
v:
T List
6.
f1:
{T=
}
7.
f2:
True
8.
x,y:T. f1(x,y)
eq(x,y)
x
v.if eq(x,u)
true
else x(
eq) v fi
By:
EquivT 3
THEN
Thin -2
Generated subgoal:
1
4.
eq
T
T
5.
u:
T
6.
v:
T List
7.
f1:
{T=
}
8.
x,y:T. f1(x,y)
eq(x,y)
x
v.if eq(x,u)
true
else x(
eq) v fi
About:
(12steps)
PrintForm
Definitions
Lemmas
list
3
jlc
Sections
Support(jlc)
Doc