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Proof step 1 from proof inv-write-buf-destroy (conclusion)

⊦ awbuf-inv(avol, buffered(n)) → (awbuf-inv(avol[n, mapped(buf)], nobuffer) ↔ # avol[n].data ≤ LEB_SIZE → # buf ≤ LEB_SIZE ∧ is-aligned(# buf, EB_PAGE_SIZE))

System applied rule normalize

And obtained the following new goals

Proof step 2:
awbuf-inv(avol, buffered(n)) ⊦ awbuf-inv(avol[n, mapped(buf)], nobuffer) ↔ # avol[n].data ≤ LEB_SIZE → # buf ≤ LEB_SIZE ∧ is-aligned(# buf, EB_PAGE_SIZE)

Proof step 1 from proof inv-write-buf-destroy (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

Additional information