At: mn 23 Rl equal Rg 1 2
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)
EquivRel x,y:Alph*. x L-induced Equiv y
By: BackThru
Thm*
L:LangOver(A). EquivRel x,y:A*. x L-induced Equiv y
Generated subgoal:1 | L LangOver(Alph) |
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