(2steps total) PrintForm Definitions Lemmas mb event system 1 Sections EventSystems Doc
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At: concat iseg 1

1. T : Type
2. ll1 : (T List) List
3. ll2 : (T List) List
4. l : (T List) List
5. ll2 = (ll1 @ l)
  l@0:T List. concat(ll1 @ l) = (concat(ll1) @ l@0)


By: RWO
Thm* ll1,ll2:(Top List) List. concat(ll1 @ ll2) ~ (concat(ll1) @ concat(ll2))
0
THEN
InstConcl [concat(l)]


Generated subgoals:

None

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

(2steps total) PrintForm Definitions Lemmas mb event system 1 Sections EventSystems Doc