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Proof step 11 from proof validrefs-lastelem (previous step)

st[r0 -- _type] = typeval(mkclasstype(class0)), st[r0 -- mkfs(class, ty0, fieldvar) '] = refval(r1), mkfs(class, ty0, fieldvar) ' ∈ instfields(class0), ∀ sk. sk ∈ instfields(class0) → goodfieldandtype(r0, sk, st), r0 -- _type ∈ st, r0 ∈ st, validrefs(str, r1 ', ty0, st), is_obj(str, r0, st), class0 ≤ class1 ⊦ r0 = jvmref, is_reftype(ty0)

User applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 4, [extquanttermlist: (mkfs(class, ty0, fieldvar) ') abort:F , discard:T , computed:T ]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ goodfieldandtype (r, mkfs(class1, ty, fieldvar) ', st) ↔ r -- mkfs(class1, ty, fieldvar) ' ∈ st ∧ okval (st[ r -- mkfs (class1, ty, fieldvar) '], ty)], [CSIMPSEQ : ⊦ okval(refval(r), ty) ↔ ty = void_type ∨ is_reftype(ty)], [CSIMPSEQ : ⊦ ¬ mkfs (class0, void_type, fieldvar) ' ∈ instfields(class)])], [EXTRATERMS : (mkfs(class, ty0, fieldvar) ')]]