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At: fin alph list quo 1 1 1 1

1. Alph: Type
2. E: Alph*Alph*Prop
3. n:
4. n ~ Alph
5. EquivRel x,y:Alph*. x E y
6. x,y:Alph*. Dec(x E y)

h:(Alph*Alph*). (x,y:Alph*. (x E y) h(x) = h(y)) & (x:Alph*. x E (h(x)))

By:
Analyze 4
THEN
Analyze 5


Generated subgoal:

14. f: nAlph
5. g: Alphn
6. InvFuns(n; Alph; f; g)
7. EquivRel x,y:Alph*. x E y
8. x,y:Alph*. Dec(x E y)
h:(Alph*Alph*). (x,y:Alph*. (x E y) h(x) = h(y)) & (x:Alph*. x E (h(x)))


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existsfunctionlistandall
equalapplyuniversepropnatural_number