IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
symmetric swap adjacent1 1. A : Type
2. P : AAProp
3. a,b:A. P(a,b) P(b,a)
4. a : A List
5. b : A List
6. i : (||a||-1)
7. P(a[i],a[(i+1)])
8. b = swap(a;i;i+1)
9. b[i] = a[(i+1)]
10. b[(i+1)] = a[i]
11. ||b|| = ||a||
12. a = swap(b;i;i+1)
13. x:||b||. x = ix = i+1 b[x] = a[x]
P(b[i],b[(i+1)])
By:
((WeakSubstFor b[i] 0) THEN (WeakSubstFor b[(i+1)] 0)) THEN EasyHyp
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html