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Proof step 10 from proof datasize-subarray0-h (previous step)

buf[m1] = empty, m1 < m, m1 < # buf, m ≤ # buf, ∀ m, buf. m1 ≤ m ∧ m ≤ # buf ∧ m1 ≤ # buf → datasize(subarray(buf, 0, m), m1) = datasize(buf, m1) ⊦ datasize(subarray(buf, 0, m), m1) = datasize(buf, m1)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 11:
buf[m1] = empty, m1 < # buf, m1 < m, m ≤ # buf, ∀ m, buf. m1 ≤ m ∧ m ≤ # buf ∧ m1 ≤ # buf → datasize(subarray(buf, 0, m), m1) = datasize(buf, m1) ⊦ datasize(subarray(buf, 0, m), m1) = datasize(buf, m1)

Proof step 10 from proof datasize-subarray0-h (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information