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Proof step 20 from proof same-subclasses (conclusion)

same-subclasses-contains(class, str, str0) ⊦ ∀ ty. contains(str0, mkclasstype(class), ty) → type∃(str, ty)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 19:
same-subclasses-contains(class, str, str0), contains(str0, mkclasstype(class), ty) ⊦ type∃(str, ty)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]