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Proof step 82 from proof unchanged-lookup-list-generic (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 81:
fits(r, sks, st), unchanged(str, r, st, st0) ⊦ st[r -- sks] = st0[r -- sks], junkref(str, r, st), junkref(str, r, st0)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]