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Proof step 11 from proof isobj-subset (previous step)

st1[r -- _type] = typeval(mkclasstype(class)), st[r -- _type] = typeval(mkclasstype(class)), r -- _type ∈ st, r -- _type ∈ st1, r ∈ st, r ∈ st1, fs ' ∈ instfields(class), r -- fs ' ∈ st, okval(st[r -- fs '], fs .type), ∀ sk. sk ∈ instfields(class) → goodfieldandtype(r, sk, st), ∀ rk. rk ∈ st → rk ∈ st1 ∧ st[rk] = st1[rk] ⊦ r = jvmref, r -- fs ' ∈ st1 ∧ okval(st1[r -- fs '], fs .type)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Rule argument

[speclemmaarg: , class = fs .class ∧ ty = fs .type ∧ fieldvar = fs .field ↔ fs = mkfs(class, ty, fieldvar) ,[fs, class, ty, fieldvar] → [fs, class0, ty, fieldvar] ,T ,fieldspec , ,elim ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ class = fs .class ∧ ty = fs .type ∧ fieldvar = fs .field ↔ fs = mkfs(class, ty, fieldvar)])], [EXTRATERMS : (fs, class0, ty, fieldvar)]]