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Proof step 21 from proof isobj-addarray (previous step)

st[r1 -- _type] = typeval(mkclasstype(class)), r1 -- _type ∈ st, is_obj(r1, class, addarray(r0, ty, vals, st)), r1 ∈ st ⊦ r1 = r0, r1 = jvmref, r1 ≠ jvmref ∧ r1 -- _type ∈ st ∧ is_typevalue(st[r1 -- _type]) ∧ is_classtype(st[r1 -- _type] .type) ∧ is_obj(r1, st[r1 -- _type] .type .class, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 20:
st[r1 -- _type] = typeval(mkclasstype(class)), r1 ∈ st, is_obj(r1, class, addarray(r0, ty, vals, st)), r1 -- _type ∈ st ⊦ r1 = jvmref, r1 = r0, is_obj(r1, class, 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))])]]