(21steps)
PrintForm
Definitions
Lemmas
list
3
jlc
Sections
Support(jlc)
Doc
At:
not
list
all
2
implies
exists
not
1
1.
T:
Type
2.
eq:
{T
}
3.
P:
T
4.
L:
T List
5.
x
L.P(x)
x:{x:T| x(
eq) L }.
P(x)
By:
ListInd 4
THEN
AbReduce 0
Generated subgoals:
1
True
(
x:{x:T| False }.
P(x))
2
5.
u:
T
6.
v:
T List
7.
x
v.P(x)
(
x:{x:T| x(
eq) v }.
P(x))
(P(u)
x
v.P(x))
(
x:{x:T| if eq(x,u)
true
else x(
eq) v fi }.
P(x))
About:
(21steps)
PrintForm
Definitions
Lemmas
list
3
jlc
Sections
Support(jlc)
Doc