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Proof step 10 from proof init-put-24 (previous step)

jvmref -- mkfs(class1, void_type, `initstate' .field) ' ∈ st, jvmref ∈ st ⊦ jvmref -- mkfs(class1, void_type, `initstate' .field) ' = jvmref -- mkfs(class, ty, fieldvar) ', ty = void_type, (st[jvmref -- mkfs(class, ty, fieldvar) ', val][jvmref -- mkfs(class1, void_type, `initstate' .field) ']) ≠ initval(undone) ↔ st[jvmref -- mkfs(class1, void_type, `initstate' .field) '] ≠ initval(undone), st[jvmref -- mkfs(class1, void_type, `initstate' .field) '] = initval(error)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 9:
jvmref -- mkfs(class1, void_type, `initstate' .field) ' ∈ st, jvmref ∈ st ⊦ ty = void_type, (st[jvmref -- mkfs(class, ty, fieldvar) ', val][jvmref -- mkfs(class1, void_type, `initstate' .field) ']) ≠ initval(undone) ↔ st[jvmref -- mkfs(class1, void_type, `initstate' .field) '] ≠ initval(undone), st[jvmref -- mkfs(class1, void_type, `initstate' .field) '] = initval(error)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ mkfs(class1, ty, fieldvar) = mkfs(class2, ty0, fieldvar0) ↔ ¬ ¬ ( class1 = class2 ∧ ty = ty0 ∧ fieldvar = fieldvar0)], [CSIMPSEQ : ⊦ fs ' = fs0 ' ↔ fs = fs0], [CSIMPSEQ : ⊦ r -- sk = r0 -- sk0 ↔ ¬ ¬ (r = r0 ∧ sk = sk0)])]]