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Proof step 16 from proof lookup-list-intro-01 (previous step)

⊦ sks = [], st[st[r -- sks] .refval -- sk0] = st[r -- (sks + sk0 ')]

User applied rule structural induction

And obtained the following new goals

Proof step 15:
∀ st, r, sk0. sks0 = [] ∨ st[st[r -- sks0] .refval -- sk0] = st[r -- (sks0 + sk0 ')] ⊦ sk + sks0 = [], st[st[r -- (sk + sks0)] .refval -- sk0] = st[r -- ((sk + sks0) + sk0 ')]

Rule argument

[VARWITHVARSEQSARG : sks, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPGEN : storekeys generated by [], +;])]]