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Proof step 15 from proof isobj-addobj-03 (previous step)

⊦ r = r0, r ≠ jvmref ∧ r -- _type ∈ st ∧ st[r -- _type] = typeval(mkclasstype(class0)) ∧ goodfieldsandtypes(r, instfields(class0), addobj(r0, class, fis, st)) ↔ r ≠ jvmref ∧ (r -- _type) × typeval(mkclasstype(class0)) ∈ st ∧ goodfieldsandtypes(r, instfields(class0), st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ r -- sk ∈ st → r ∈ st], [CSIMPSEQ : ⊦ rk × val ∈ st ↔ ¬ ¬ (rk ∈ st ∧ st[rk] = val)])]]