At: surj is inj gen 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1. A: Type
2. B: Type
3. f: A
B
4. f1: AB
5. g: BA
6. g o f1 = Id
7. f1 o g = Id
8. n: 
9. f2: nB
10. g1: Bn
11. g1 o f2 = Id
12. f2 o g1 = Id
13. b: n
14. a: A
15. f(a) = f2(b)
g1(f(g(f1(a)))) = b
By: RW (AddrC [2;2;2] add_composeC) 0
Generated subgoal:| 1 | g1(f((g o f1)(a))) = b |
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