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Proof step 1 from proof range-load-save (conclusion)

⊦ n < nused ∧ nused ≤ # zbrar ∧ # zbrar = BRANCH_SIZE → key-range(load(save(zbrar, 0, nused), 0, nused), n, nused, ri) = key-range(zbrar, n, nused, ri)

System applied rule normalize

And obtained the following new goals

Proof step 2:
# zbrar = BRANCH_SIZE, n < nused, nused ≤ # zbrar ⊦ key-range(load(save(zbrar, 0, nused), 0, nused), n, nused, ri) = key-range(zbrar, n, nused, ri)

Proof step 1 from proof range-load-save (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

Additional information