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Proof step 84 from proof unchanged-lookup-list-generic (conclusion)

⊦ unchanged(str, r, st, st0) ∧ ¬ junkref(str, r, st) ∧ fits(r, sks, st) → st[r -- sks] = st0[r -- sks]

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 83:
fits(r, sks, st), unchanged(str, r, st, st0) ⊦ st[r -- sks] = st0[r -- sks], junkref(str, r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]