(9steps)
PrintForm
Definitions
Lemmas
list
3
jlc
Sections
Support(jlc)
Doc
At:
sublist
tail1
1
1
1
1.
T:
Type
2.
eq:
{T=
}
3.
u:
T
4.
v:
T List
x
v.if eq(x,u)
true
else x(
eq) v fi
By:
Inst
Thm*
eq:{T=
}, P:(T
Prop), L:T List.
x
L.P(x)
(
z:T. z(
eq) L
P(z)) [T;eq;
z.if eq(z,u)
true
else z(
eq) v fi;v] THENL [Auto;Auto;Analyze 2;Auto;Id]
Generated subgoal:
1
5.
x
v.(
z.if eq(z,u)
true
else z(
eq) v fi)(x)
(
z:T. z(
eq) v
(
z.if eq(z,u)
true
else z(
eq) v fi)(z))
x
v.if eq(x,u)
true
else x(
eq) v fi
About:
(9steps)
PrintForm
Definitions
Lemmas
list
3
jlc
Sections
Support(jlc)
Doc