(7steps total) PrintForm Definitions Lemmas graph 1 1 Sections Graphs Doc

At: assert l ball 1 1
1. T: Type
2. L: T List
3. u: T
4. v: T List
5. P:(T). (xv.P(x)) (i:||v||. P(v[i]))
6. P: T
7. P(u)
8. (xv.P(x))
9. i: (||v||+1)
10. (xv.P(x)) (i:||v||. P(v[i]))
11. i:||v||. P(v[i])
12. i = 0
P([u / v][i])
By:
RWO Thm* a:T, as:T List, i:. 0 < i i||as|| [a / as][i] = as[(i-1)] 0
THEN
EasyHyp
Generated subgoals:

None

About:
listconsboolassertintnatural_numberaddsubtract
less_thanfunctionuniverseequalimpliesall

(7steps total) PrintForm Definitions Lemmas graph 1 1 Sections Graphs Doc