| sks1 ≠ [], ∀ sks0, st, r. sks0 = [] ∨ st[r -- (sks1 + sks0)] = st[st[r -- sks1] .refval -- sks0] ⊦ sks1 = [], sks0 = [], st[r -- ((sk ' + sks1) + sks0)] = st[st[st[r -- sk] .refval -- sks1] .refval -- sks0] |
∀ sks0, st, r. sks0 = [] ∨ st[r -- (sks1 + sks0)] = st[st[r -- sks1] .refval -- sks0] ⊦ sks1 = [], st[r -- ((sk ' + sks1) + sks0)] = st[st[st[r -- sk] .refval -- sks1] .refval -- sks0], sks0 = []
[[CONCRETESIMPRULES : ()]]