(6steps total) PrintForm Definitions hol list 2 Sections HOLlib Doc
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At: hel wd 2

1. 'a : S
2. l : hlist('a)
3. n : 
  el(n+1,l) = el(n,tl(l))


By: RW (NthC 1 (RecUnfoldTopC `hel`)) 0 THEN Simp THEN StrongAuto


Generated subgoal:

1   if n+1=0 then hd(l) else el(n+1-1,tl(l)) fi  = el(n,tl(l))
3 steps

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

(6steps total) PrintForm Definitions hol list 2 Sections HOLlib Doc