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Proof step 4 from proof at-put-first (previous step)

⊦ (st[jvmref -- sk, val][sk ' + sks]) = (st[jvmref -- sk, val][val .refval -- sks]), sks = []

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ st[sks] = st[jvmref -- sks]
Proof step 3:
⊦ (st[jvmref -- sk, val][jvmref -- (sk ' + sks)]) = (st[jvmref -- sk, val][val .refval -- sks]), sks = []

Rule argument

[crewrite-arg: lookup-storerefs , F , [sks, st] → [sk ' + sks, st[jvmref -- sk, val]] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (sk ' + sks, st[jvmref -- sk, val])]]