IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
find property2 1. T : Type
2. P : T 3. T List
4. u : T 5. v : T List
6. d:T.
6. ((first av s.t. P(a) else d) v) (first av s.t. P(a) else d) = d 7. P(u)
d:T.
((first av s.t. P(a) else d) [u / v])
(first av s.t. P(a) else d) = d
By:
ParallelOp -2 THEN ParallelOp -1 THEN Easy
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html