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Proof step 10 from proof isobj-rec (previous step)

⊦ r ≠ jvmref ∧ r -- _type ∈ st ∧ st[r -- _type] = typeval(mkclasstype(class)) ∧ (∀ sk0. sk0 = sk ∨ sk0 ∈ sks → goodfieldandtype(r, sk0, st)) ↔ goodfieldandtype(r, sk, st) ∧ r ≠ jvmref ∧ (r -- _type) × typeval(mkclasstype(class)) ∈ st ∧ (∀ sk. sk ∈ sks → goodfieldandtype(r, sk, st))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 9:
st[r -- _type] = typeval(mkclasstype(class)), r -- _type ∈ st, r ∈ st ⊦ r = jvmref, (∀ sk0. sk0 = sk ∨ sk0 ∈ sks → goodfieldandtype(r, sk0, st)) ↔ goodfieldandtype(r, sk, st) ∧ (∀ sk. sk ∈ sks → goodfieldandtype(r, sk, st))

Rule argument

[emptyarg]

Additional information

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