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Proof step 52 from proof fits-put-05-stronger (previous step)

(st[r1 -- fs ', byteval(by)][r -- sk]) = refval(r0), is_bytevalue(st[r1 -- fs ']), fits(r0, sks0, st[r1 -- fs ', byteval(by)]), is_classtype((st[r1 -- fs ', byteval(by)][r -- _type]) .type) → sk ∈ instfields((st[r1 -- fs ', byteval(by)][r -- _type]) .type .class), is_arraytype((st[r1 -- fs ', byteval(by)][r -- _type]) .type) → is_indexkey(sk) ∧ 0 ≤ sk .index ∧ sk .index < (st[r1 -- fs ', byteval(by)][r -- _length]) .intval, ∀ r, st, r1, fs, by, str. fits(r, sks0, st[r1 -- fs ', byteval(by)]) ∧ is_bytevalue(st[r1 -- fs ']) → junkref(str, r, st) ∨ fits(r, sks0, st) ⊦ r = jvmref, junkref(str, r, st), fits(r, sk ' + sks0, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[crewrite-arg: fits-storekeys-rec , F , [st, sks, sk, r] → [st, sks0, sk, r] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, sks0, sk, r)]]