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At: lang eq weakening 1 1
1. Alph: Type
2. L: LangOver(Alph)
3. M: LangOver(Alph)
4. L = M

M = M
By: Unfold `lang_eq` 0
Generated subgoal:

1 l:Alph*. M(l) M(l)

About:
universeequalalllistapply