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Proof step 15 from proof same-subclasses (previous step)

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)

User applied rule all left

And obtained the following new goals

Proof step 14:
contains(str0, mkclasstype(class), ty), same-subclasses-contains(class, str, str0), has_classtype(ty), contains(str0, mkclasstype(class), mkclasstype(ty .jtelemtype .class)) → tdname+∃(str, ty .jtelemtype .class) ⊦ type∃(str, ty), is_classtype(ty)

Rule argument

[EXRARG : pos: left 4, [extquanttermlist: (ty .jtelemtype .class) abort:F , discard:T , computed:F ]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (ty .jtelemtype .class)]]