Nuprl - Pf discrete list 1 1 2

1. T: Type
2. Discrete{T}
3. x: T List
4. u: T
5. v: T List
6. y:T List. Dec(v = y)

y:T List. Dec(u.v = y)

By: Analyze 0 THEN ListInd -1

Generated subgoals:

1 7. y: T List
Dec(u.v = nil)

2 7. y: T List
8. u1: T
9. v1: T List
10. Dec(u.v = v1)
Dec(u.v = u1.v1)

About:

1	7. `y:` `T List` `Dec(u.v = nil)`
2	7. `y:` `T List` 8. `u1:` `T` 9. `v1:` `T List` 10. `Dec(u.v = v1)` `Dec(u.v = u1.v1)`