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Proof step 5 from proof ac-init-11 (conclusion)

¬ mkfs(class1, void_type, `initstate' .field) ' ∈ fis ⊦ initdone(class1, addclass(class1, fis + (mkfs(class1, void_type, `initstate' .field) ' × val) ', st)) ↔ val ≠ initval(error) ∧ val ≠ initval(undone)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 4:
⊦ initdone(class1, addclass(class1, fis + (mkfs(class1, void_type, `initstate' .field) ' × val) ', st)) ↔ val ≠ initval(error) ∧ val ≠ initval(undone), mkfs(class1, void_type, `initstate' .field) ' ∈ fis

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]