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Proof step 19 from proof hasSharing-def-better (previous step)

sks ≠ [] ∧ sks ≠ [], st[r0 -- sks] = refval(r0), fits(r0, sks, st) ⊦ r0 = jvmref, sks = [], fits(r0, sks + sks, st) ∧ refval(r0) = st[st[r0 -- sks] .refval -- sks]

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 18:
st[r0 -- sks] = refval(r0), fits(r0, sks, st) ⊦ sks = [], r0 = jvmref, fits(r0, sks + sks, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ refval(r) .refval = r])]]