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At: cons sublist cons 2 1 2 1 1

1. T : Type
2. x1 : T
3. x2 : T
4. L1 : T List
5. L2 : T List
6. x1 = x2
7. f : ||L1||||L2||
8. increasing(f;||L1||)
9. j:||L1||. L1[j] = L2[(f(j))]
10. i : (||L1||+1-1)
11. i = 0
12. i+1 = 0
  f(i-1)+1<f(i+1-1)+1


By: AllHyps (j.Unfold `increasing` j THEN InstHyp [i-1] j)


Generated subgoals:

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About:
listintnatural_numberaddsubtractless_thanapplyfunctionuniverseequalall
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