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At: mn 23 Rl equal Rg 1

1. Alph: Type
2. L: Alph*Prop
3. R: Alph*Alph*Prop
4. EquivRel x,y:Alph*. x R y
5. x,y,z:Alph*. (x R y) ((z @ x) R (z @ y))
6. g: (x,y:Alph*//(x R y))
7. l:Alph*. L(l) g(l)

x,y:Alph*//(x L-induced Equiv y) = x,y:Alph*//(x Rg y)

By: QuotEqCD

Generated subgoals:

18. x: Alph*
9. y: Alph*
L LangOver(Alph)
2 EquivRel x,y:Alph*. x L-induced Equiv y
3 EquivRel x,y:Alph*. x Rg y
4 Alph* = Alph*
58. Alph* = Alph*
9. x: Alph*
10. y: Alph*
(x L-induced Equiv y) (x Rg y)


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