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Proof step 36 from proof put-switch-primval-index-field (previous step)

st[r -- sks1] = refval(r1), st[r0 -- sks] = refval(r2), fits(r, sks1 + i ' ', st), fits(r0, sks + mkfs(class, ty, fieldvar) ' ', st) ⊦ (st[r1 -- i ', val][(st[r1 -- i ', val][r0 -- sks]) .refval -- mkfs(class, ty, fieldvar) ', val0]) = (st[r1 -- i ', val][r2 -- mkfs(class, ty, fieldvar) ', val0]), sks1 = [], junkref(str, r0, st), junkref(str, r, st), is_reftype(ty), is_referencevalue(st[r -- (sks1 + i ' ')]), is_referencevalue(val0), is_referencevalue(val), mkfs(class, ty, fieldvar) ' ∈ sks1, sks ≠ [] ∧ ¬ junkref(str, r1, st) ∧ fits(r0, sks, st) ∧ ¬ is_referencevalue(st[r1 -- i '])

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[x0lemmaarg: spec-name: storefuns instance-name: lemma-name: lookup-last-rec antecedent: succedent: sks ≠ [] → st[r -- (sks + sk ')] = st[st[r -- sks] .refval -- sk] substlist: [sk, sks, r, st] → [i ', sks1, r, st] add preconditions?: F is rewrite lemma?: T current spec?: F rotate lemma?: F replace all?: T paths: ((1, 0, 5, 1, 0)) dummy: () ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (i ', sks1, r, st)]]