At: fin alph list quo 1 1 1 1 1 1 3
1. Alph: Type
2. E: Alph*
Alph*
Prop
3. n: 
4. f:
n
Alph
5. g: Alph

n
6. InvFuns(
n; Alph; f; g)
7.
a:Alph*. a E a
8.
a,b:Alph*. (a E b) 
(b E a)
9.
a,b,c:Alph*. (a E b) 
(b E c) 
(a E c)
10.
x,y:Alph*. Dec(x E y)
11. a:
n*
12. b:
n*
13. c:
n*
14. map(f;a) E map(f;b)
15. map(f;b) E map(f;c)
map(f;a) E map(f;c)
By: FwdThru 9 [14;15]
Generated subgoals:None
About: