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Proof step 16 from proof same-subclasses (previous step)

¬ ¬ has_classtype(ty), ∀ class0. contains(str0, mkclasstype(class), mkclasstype(class0)) → tdname+∃(str, class0), same-subclasses-contains(class, str, str0), contains(str0, mkclasstype(class), ty) ⊦ is_classtype(ty), type∃(str, ty)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 15:
contains(str0, mkclasstype(class), ty), same-subclasses-contains(class, str, str0), has_classtype(ty), ∀ class0. contains(str0, mkclasstype(class), mkclasstype(class0)) → tdname+∃(str, class0) ⊦ type∃(str, ty), is_classtype(ty)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]