| 1 | 5. Refl(Alph*;x,y.x LangOf(Auto)-induced Equiv y) 6. Sym x,y:Alph*. x LangOf(Auto)-induced Equiv y & Trans x,y:Alph*. x LangOf(Auto)-induced Equiv y 7. h: Alph* 8. 9. 10. s1: Alph* 11. s2: Alph* 12. s1 LangOf(Auto)-induced Equiv s2 13. (s1 = s2 14. h(s1) = h(s2) |
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