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Proof step 28 from proof datasize-add-empty-h (conclusion)

⊦ subarray(buf, n0, n1) = mkempbuf(n1) ∧ n0 + n1 ≤ # buf → datasize(buf, n0 + n1) = datasize(buf, n0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 27:
subarray(buf, n0, n1) = mkempbuf(n1), n0 + n1 ≤ # buf ⊦ datasize(buf, n0 + n1) = datasize(buf, n0)

Rule argument

Additional information

[Concretesimprules(())]