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Proof step 18 from proof isobj-addobj-01 (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 17:
st[r -- _type] = typeval(mkclasstype(class)), goodfieldsandtypes(r, instfields(class), st), newref(r0, st), r -- _type ∈ st, r ∈ st ⊦ r0 = jvmref, r = jvmref, is_obj(r, class, addobj(r0, class0, fis, st))

Rule argument

[emptyarg]

Additional information

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