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Proof step 4 from proof inv-truncate (previous step)

fo.inodes?, ro.inodes?, log-cons(log, fs), ri-inj(fi), ri-inj(ri) ⊦ ⟪let ks = datakeys(key, n, ri) in ri := ri \ ks⟫ ri-inj(ri)

Heuristic symbolic execution applied rule let right

And obtained the following new goals

Rule argument

Additional information