(10steps total) PrintForm Definitions Lemmas hol list 1 Sections HOLlib Doc
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At: hel nuprl 1 1 3

1. 'a : S
2. 'a List
3. u : 'a
4. v : 'a List
5. n:n<||v||  el(n,v) = v[n]
6. n : 
7. n<||v||+1
8. n = 0
  u = cons(uv)[n]


By: LemmaRW Thm* a:Tas:T List, i:i cons(aas)[i] = a THEN StrongAuto
THEN
Try (Complete (Unfold `label` 0))


Generated subgoals:

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

(10steps total) PrintForm Definitions Lemmas hol list 1 Sections HOLlib Doc