(11steps 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: concat map upto 1 2 1 1 2

1. T : Type
2. f : (T List)
3. t : 
4. t' : 
5. t<t'
6. t+1 = 0
  (f(t)) ~ concat([(f(t))])


By: RWO Thm* l:Top List, ll:(Top List) List. concat([l / ll]) ~ (l @ concat(ll)) 0
THEN
Reduce 0
THEN
RWO Thm* l:T List. (l @ nil) ~ l 0


Generated subgoals:

None

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

(11steps total) PrintForm Definitions Lemmas mb event system 1 Sections EventSystems Doc