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Proof step 7 from proof ac-okclass (previous step)

⊦ reftypep(refval(r0), st) ∧ (r0 ≠ jvmref → r0 -- _type ∈ addclass(class0, fis, st) ∧ st[r0 -- _type] = typeval(mkclasstype(class1))) ↔ reftypep(refval(r0), st) ∧ (refval(r0) .refval ≠ jvmref → refval(r0) .refval -- _type ∈ st ∧ st[refval(r0) .refval -- _type] = typeval(mkclasstype(class1)))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
⊦ reftypep(refval(r0), st) ∧ (r0 ≠ jvmref → r0 -- _type ∈ addclass(class0, fis, st) ∧ st[r0 -- _type] = typeval(mkclasstype(class1))) ↔ reftypep(refval(r0), st) ∧ (r0 ≠ jvmref → r0 -- _type ∈ st ∧ st[r0 -- _type] = typeval(mkclasstype(class1)))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ refval(r) .refval = r])]]