At: inv of fin is fin 1 1 2 2 1 2 1 1 2 2 2 1 1
1. T: Type
2. S: Type
3. f: T
S
4. Fin(S)
5.
s:S. Dec(
t:T. f(t) = s)
6. EquivRel x,y:T. f(x) = f(y)
7. f@0: {s:S|
t:T. f(t) = s }
T
8.
s:{s:S|
t:T. f(t) = s }. f(f@0(s)) = s
9. b1: T
10. b2: T
11. f(b1) = f(b2)
f(b1)
{s:S|
t:T. f(t) = s }
By: Analyze
Generated subgoals:| 1 | f(b1) S |
| 2 | t:T. f(t) = f(b1) |
About: