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Proof step 8 from proof isobj-rec (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 7:
st[r -- _type] = typeval(mkclasstype(class)), goodfieldandtype(r, sk, st), r -- _type ∈ st, r ∈ st, sk0 ∈ sks, ∀ sk. sk ∈ sks → goodfieldandtype(r, sk, st) ⊦ r = jvmref, goodfieldandtype(r, sk0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]