(4steps total) PrintForm Definitions Lemmas mb event system 1 Sections EventSystems Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: select upto 2

1. m : 
2. 0<m
3. n:(m-1). upto(m-1)[n] = n
4. n : m
5. m = 0
6. n<m-1
  (upto(m-1) @ [(m-1)])[n] = n


By: RWO
Thm* as,bs:T List, i:{||as||..(||as||+||bs||)}. (as @ bs)[i] = bs[(i-||as||)]
0
THEN
Try (RWO Thm* n:. ||upto(n)|| ~ n 0)


Generated subgoal:

1   [(m-1)][(n-(m-1))] = n
1 step

About:
listconsnilintnatural_numberaddsubtractless_thanuniverseequalsqequalall
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

(4steps total) PrintForm Definitions Lemmas mb event system 1 Sections EventSystems Doc