| okfieldinits(class1, fis0), mkfs(class, ty, fieldvar) ' ∈ fis0 .keys, ∀ class0, class, ty, fieldvar. okfieldinits(class0, fis0) ∧ mkfs(class, ty, fieldvar) ' ∈ fis0 .keys → class = class0 ⊦ class = class1, ty0 = abstract_type |
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (class1, class, ty, fieldvar)]]