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Proof step 3 from proof at-truncate-other (previous step)

key = datakey(m, m0), key.data?, key ∈ pcache ⊦ truncate(ino, size, pcache)[key] = pcache[key], ino = m

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 4:
datakey(m, m0) ∈ pcache ⊦ truncate(ino, size, pcache)[datakey(m, m0)] = pcache[datakey(m, m0)], ino = m

Rule argument

Additional information

Used simplifier rules: ⊦ datakey(m, m0).data?; (s)