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At: complete nat ind with y 1 1 2 2 1 1 1

1. P : Prop
2. g : i:. (j:iP(j))  P(i)
3. r : 
4. Y(f,xg(x,f))  (m:(r+1). P(m))
  Y(f,xg(x,f))  m:(r+1)P(m)


By: Inclusion 4


Generated subgoals:

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About:
natural_numberaddlambdaapplyfunctionycombmemberpropimpliesall
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(24steps total) PrintForm Definitions int 1 Sections StandardLIB Doc