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Proof step 8 from proof addobj-initundone (previous step)

⊦ r = jvmref, jvmref -- mkfs(class0, void_type, `initstate' .field) ' ∈ st ∧ st[jvmref -- mkfs(class0, void_type, `initstate' .field) '] = initval(undone) ∨ ¬ jvmref -- mkfs(class0, void_type, `initstate' .field) ' ∈ st ∧ _uninit ∈ addobj(r, class, sks, st) ↔ (jvmref -- mkfs(class0, void_type, `initstate' .field) ') × initval(undone) ∈ st ∨ ¬ jvmref -- mkfs(class0, void_type, `initstate' .field) ' ∈ st ∧ _uninit ∈ st

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 7:
⊦ r = jvmref, _uninit ∈ addobj(r, class, sks, st) ↔ _uninit ∈ st, jvmref -- mkfs(class0, void_type, `initstate' .field) ' ∈ st

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ rk × val ∈ st ↔ ¬ ¬ (rk ∈ st ∧ st[rk] = val)])]]