Nuprl - Proof: search property 2

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At: search property 2

1. k :

2. 0<k
3.

P:(

(k-1)

).
3. ((

i:

(k-1). P(i))

0<search(k-1;P))
3. & (0<search(k-1;P)
3. & (

3. & (P(search(k-1;P)-1) & (

j:

(k-1). j<search(k-1;P)-1

P(j)))

P:(

k

).

((

i:

k. P(i))

0<search(k;P))

& (0<search(k;P)

P(search(k;P)-1) & (

j:

k. j<search(k;P)-1

P(j)))

By:	ParallelOp -1

Generated subgoal:

1 4. P : k
5. ((i:(k-1). P(i))  0<search(k-1;P))
5. & (0<search(k-1;P)
5. & (
5. & (P(search(k-1;P)-1) & (j:(k-1). j<search(k-1;P)-1  P(j)))
  ((i:k. P(i))  0<search(k;P))
  & (0<search(k;P)  P(search(k;P)-1) & (j:k. j<search(k;P)-1  P(j)))
18 steps

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