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Proof step 18 from proof eq-mod (previous step)

st0[_mode] = throw(r, mkclasstype(class1)), st0 =mode st ⊦ (jvmref -- mkfs(class0, void_type, `initstate' .field) ') × initval(error) ∈ st, initundone(class0, st), ¬ initerror(class0, st0) ∧ ¬ initundone(class0, st0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 17:
st0[_mode] = throw(r, mkclasstype(class1)), st0 =mode st, ¬ jvmref -- mkfs(class0, void_type, `initstate' .field) ' ∈ st ∨ st[jvmref -- mkfs(class0, void_type, `initstate' .field) '] ≠ initval(error) ⊦ initundone(class0, st), ¬ initerror(class0, st0) ∧ ¬ initundone(class0, st0)

Rule argument

[emptyarg]

Additional information

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