(7steps total)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
int
upper
ind
1
1.
i
:
2.
E
: {
i
...}
Prop
3.
E
(
i
)
4.
k
:{
i
+1...}.
E
(
k
-1)
E
(
k
)
k
:{
i
...}.
E
(
k
)
By:
BackThruLemmaWithUnfolds
Thm*
n
:
. WellFnd{i}({
n
...};
x
,
y
.
x
<
y
) [`wellfounded`]
Generated subgoal:
1
j
:{
i
...}. (
k
:{
i
...}.
k
<
j
E
(
k
))
E
(
j
)
5
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(7steps total)
PrintForm
Definitions
Lemmas
int
2
Sections
StandardLIB
Doc
Prop
k:{i+1...}. E(k-1) 
E(k)
