(5steps total)
PrintForm
Definitions
Lemmas
list
1
Sections
StandardLIB
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
select
wf
1
1
1
1.
A
: Type
2.
l
:
A
List
3.
n
:
4. 0
n
5.
n
<||
l
||
||nth_tl(
n
;
l
)||
1
By:
RewriteWith [] [
Thm*
as
:
A
List,
n
:{0...||
as
||}. ||nth_tl(
n
;
as
)|| = ||
as
||-
n
] 0
Generated subgoal:
1
||
l
||-
n
1
1
step
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(5steps total)
PrintForm
Definitions
Lemmas
list
1
Sections
StandardLIB
Doc
n
||nth_tl(n;l)||
1
as:A List, n:{0...||as||}. ||nth_tl(n;as)|| = ||as||-n] 0
