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Proof step 7 from proof sharing-pathex-field-self-01 (previous step)

st[r0 -- fs '] = refval(r0), is_valid_ref(str, r0, st), is_classtype(st[r0 -- _type] .type), fs ' ∈ instfields(st[r0 -- _type] .type .class) ⊦ r0 = jvmref, refval(r0) = st[r0 -- (fs ' ' + fs ' ')]

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 6:
⊦ st[r -- (sk ' + sk0 ')] = st[st[r -- sk] .refval -- sk0]

Rule argument

[x0lemmaarg: spec-name: storefuns instance-name: lemma-name: lookup-two antecedent: succedent: st[r -- (sk ' + sk0 ')] = st[st[r -- sk] .refval -- sk0] substlist: [sk0, sk, r, st] → [fs ', fs ', r0, st] add preconditions?: F is rewrite lemma?: T current spec?: F rotate lemma?: F replace all?: T paths: ((1, 0, 1, 1, 1)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : javavalue, , sel-09, ⊦ refval(r) .refval = r])], [EXTRATERMS : (fs ', fs ', r0, st)]]