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Proof step 6 from proof isobj-put-samefield (previous step)

st[r -- _type] = typeval(mkclasstype(class0)), r -- mkfs(class, ty, fieldvar) ' ∈ st, okval(st[r -- mkfs(class, ty, fieldvar) '], ty), okval(val, ty), r ∈ st, r -- _type ∈ st, is_obj(r, class0, st[r -- mkfs(class, ty, fieldvar) ', val]) ⊦ mkfs(class, ty, fieldvar) ' = _type, r = jvmref, r ≠ jvmref ∧ r -- _type ∈ st ∧ is_typevalue(st[r -- _type]) ∧ is_classtype(st[r -- _type] .type) ∧ is_obj(r, st[r -- _type] .type .class, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
st[r -- _type] = typeval(mkclasstype(class0)), is_obj(r, class0, st[r -- mkfs(class, ty, fieldvar) ', val]), r -- _type ∈ st, r ∈ st, okval(val, ty), okval(st[r -- mkfs(class, ty, fieldvar) '], ty), r -- mkfs(class, ty, fieldvar) ' ∈ st ⊦ r = jvmref, mkfs(class, ty, fieldvar) ' = _type, is_obj(r, class0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ mkclasstype(class) .class = class], [CSIMPSEQ : ⊦ is_classtype(mkclasstype(class))], [CSIMPSEQ : ⊦ typeval(ty) .type = ty], [CSIMPSEQ : ⊦ is_typevalue(typeval(ty))])]]