Nuprl - Pf nd_auto_eq_auto 1 1 2 1 1 1 1 1 2 2 1 1 2 2

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At: nd auto eq auto 1 1 2 1 1 1 1 1 2 2 1 1 2 2

1. Alph: Type
2. St: Type
3. NDA: NDA(Alph;St)
4. Fin(St)
5. x,y:St, a:Alph. Dec(NDA(x,a,y))
6. y:St. Dec(I(NDA) = y)
7. g: St
8. t:St. I(NDA) = t g(t)
9. f:(St). Dec(s:St. f(s) & F(NDA)(s))
10. g1: (St)
11. t:(St). (s:St. t(s) & F(NDA)(s)) g1(t)
12. f:(St), a:Alph, y:St. Dec(s:St. f(s) & NDA(s,a,y))
13. g:((St)AlphSt). t:((St)AlphSt). (t.s:St. 1of(t)(s) & NDA(s,1of(2of(t)),2of(2of(t))))(t) g(t)

DA:Automata(Alph;St). L(NDA) = LangOf(DA)

By: Analyze 13

Generated subgoal:

1 13. g2: (St)AlphSt
14. t:((St)AlphSt). (t.s:St. 1of(t)(s) & NDA(s,1of(2of(t)),2of(2of(t))))(t) g2(t)
DA:Automata(Alph;St). L(NDA) = LangOf(DA)

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