| ⊦ mkfs(class1, ty, fieldvar) = mkfs(class2, ty0, fieldvar0) ↔ ¬ ¬ (class1 = class2 ∧ ty = ty0 ∧ fieldvar = fieldvar0) |
⊦ mkfs(class, ty, fieldvar) = mkfs(class0, ty0, fieldvar0) ↔ class = class0 ∧ ty = ty0 ∧ fieldvar = fieldvar0
[[CONCRETESIMPRULES : ()]]