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Proof step 15 from proof replay-orphans-del (previous step)

key0 ∈ ri, key0.data? → ¬ inodekey(key0.ino) ∈ ro ⊦ ri[key0] = ((ri -- key) ⊖ ro)[key0], key0 = key, key0.data?, key ∈ ro, key0 ∈ ro

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information