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Proof step 21 from proof isobj-addobj (previous step)

⊦ r = r0, r ≠ jvmref ∧ (r -- _type) × typeval(mkclasstype(class)) ∈ addobj(r0, class0, fis, st) ∧ (∀ sk. sk ∈ sks → goodfieldandtype(r, sk, addobj(r0, class0, fis, st))) ↔ is_obj(r, class, sks, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ r ≠ r0 → ((r -- sk) × val ∈ addobj(r0, class1, fis, st) ↔ (r -- sk) × val ∈ st)
Proof step 20:
⊦ r = r0, r ≠ jvmref ∧ r -- _type ∈ st ∧ st[r -- _type] = typeval(mkclasstype(class)) ∧ (∀ sk. sk ∈ sks → goodfieldandtype(r, sk, addobj(r0, class0, fis, st))) ↔ is_obj(r, class, sks, st)

Rule argument

[emptyarg]

Additional information

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