Nuprl - Pf auto2_lemma_5 1 1 1 1 1 1 2 2 1 1 2 1 1

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At: auto2 lemma 5 1 1 1 1 1 1 2 2 1 1 2 1 1

1. Alph: Type
2. n:
3. n1:
4. f: n1Alph
5. Bij(n1; Alph; f)
6. f:((nn1)(n1n)). Bij(nn1; (n1n); f)
7. f1: (nn1)(n1n)
8. g: (n1n)nn1
9. InvFuns(nn1; (n1n); f1; g)
10. b: {l:(Alph*)| ||l|| = n }
11. a: (n1n)
12. f o g(a) = (z:||b||. b[z]) nAlph
13. x: nAlph

x ||b||Alph

By: Analyze 10

Generated subgoal:

1 10. b: Alph*
11. ||b|| = n
12. a: (n1n)
13. f o g(a) = (z:||b||. b[z]) nAlph
14. x: nAlph
x ||b||Alph

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