IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
select concat1 1. T : Type
2. (T List) List
n:||concat(nil)||.
m:||nil||.
||concat(firstn(m;nil))||n & n-||concat(firstn(m;nil))||<||nil[m]||
& concat(nil)[n] = nil[m][(n-||concat(firstn(m;nil))||)] T
By:
Unfold `concat` 0 THEN Reduce 0
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html