| ∀ class1. contains(str0, ty, mkclasstype(class1)) → tdname+∃(str, class1) ⊦ ∀ ty1. contains(str0, ty, ty1) → type∃(str, ty1) |
contains(str0, ty, ty0), ∀ class1. contains(str0, ty, mkclasstype(class1)) → tdname+∃(str, class1) ⊦ type∃(str, ty0)
[[CONCRETESIMPRULES : ()]]