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Proof step 2 from proof at-dels-ro-data (previous step)

datakey(ino, n) ∈ ri ⊦ (ri ⊖ ks)[datakey(ino, n)] = ri[datakey(ino, n)], inodekey(ino) ∈ ks, datakey(ino, n) ∈ ks

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information