Nuprl - Proof: hnil def 1 2

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At: hnil def 1 2

1. 'a : S

rep_list(nil) = <

. @

e:'a. true

,0>

(

'a)

By:	Unab [`hrep_list`;`rep_list`] THEN Simp THEN StrongAuto THEN Try (Complete (Unfold `label` 0))

Generated subgoal:

1   <n:. if n<0 then nil[n] else arb('a) fi ,0>
  =
  <n:. @e:'a. true,0>
   ('a)
4 steps

About:

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