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Proof step 26 from proof unchNorec-isobj (previous step)

st[r -- _type] = typeval(mkclasstype(class)), unchangedNorec(r, st, st0), r -- _type ∈ st, is_obj(r, class, st), r ∈ st ⊦ r = jvmref, is_obj(r, st0[r -- _type] .type .class, st0) ∧ is_classtype(st0[r -- _type] .type) ∧ is_typevalue(st0[r -- _type]) ∧ r -- _type ∈ st0

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[x0lemmaarg: spec-name: instance-name: lemma-name: unchNorec-def-keep antecedent: succedent: ¬ ( st[r -- _type] = st0[r -- _type] ∧ ( is_classtype(st[r -- _type] .type) → (∀ sk. sk ∈ instfields(st[r -- _type] .type .class) → st[r -- sk] = st0[r -- sk])) ∧ ( is_arraytype(st[r -- _type] .type) → st[r -- _length] = st0[r -- _length] ∧ (∀ i. 0 ≤ i ∧ i < st[r -- _length] .intval → st[r -- i '] = st0[r -- i ']))) ∧ r ≠ jvmref → ¬ unchangedNorec(r, st, st0) substlist: [st0, st, r] → [st0, st, r] add preconditions?: F is rewrite lemma?: T current spec?: T rotate lemma?: F replace all?: T paths: ((0, 0, 1)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st0, st, r)]]