Level: Lib Thy Top: 1 1
Hypotheses:

  1. Alph :

  2. R : Alph List Alph List

  3. n :

  4. L : Alph List

  5. m :

  6. x:Alph List. R x x

  7. x,y:Alph List. R x y R y x

  8. x,y,z:Alph List. R x y R y z R x z

  9. x,y,z:Alph List. R x y R (z @ x) (z @ y)

  10. w:n Alph List. l:Alph List. i:n. R l (w i)

  11. v:m Alph List. l:Alph List. (L l) (i:m. R l (v i))

  12. Fin(Alph)

  13. x : Alph List

  14. y : Alph List

Conclusion:

Dec(l:Alph List. L (l @ x) = L (l @ y))


Applied Tactic: Assert (l:Alph List. L (l @ x) = L (l @ y)) (k:(n * n). l:{l:Alph List| ||l|| = k} . L (l @ x) = L (l @ y))
Generated subgoals:

1. (l:Alph List. L (l @ x) = L (l @ y)) (k:(n * n). l:{l:Alph List| ||l|| = k} . L (l @ x) = L (l @ y))

2. Dec(l:Alph List. L (l @ x) = L (l @ y))