(28steps total) PrintForm Definitions HanoiTowers Sections NuprlLIB Doc
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At: hanoi pegseq analemma 1

  p:Peg, a:z:{a...}, f:({a...z}Peg).
  f(a) = p & f(z p  (x:{a...z-1}. (u:{a...x}. f(u) = p) & f(x+1)  p)


By: Guarding (a:<type>. <prop>) Auto


Generated subgoal:

1 1. p : Peg
  a:z:{a...}, f:({a...z}Peg).
  f(a) = p & f(z p  (x:{a...z-1}. (u:{a...x}. f(u) = p) & f(x+1)  p)

13 steps

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

(28steps total) PrintForm Definitions HanoiTowers Sections NuprlLIB Doc