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Proof step 7 from proof normal-lookup-01 (previous step)

normalmode(st) ⊦ r = jvmref, normalmode(st[r -- sk, val])

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ normalmode(st) ↔ _mode ∈ st ∧ st[_mode] = noval
Proof step 6:
_mode ∈ st ∧ st[_mode] = noval ⊦ r = jvmref, normalmode(st[r -- sk, val])

Rule argument

[crewrite-arg: normalmode, F, [st] → [st]]

Additional information

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