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Proof step 1 from proof refine-write (conclusion)

m < # avol, avol[m].mapped?, # avol[m].data ≤ m0, is-aligned(m0, EB_PAGE_SIZE), is-aligned(n, EB_PAGE_SIZE), m0 + n ≤ LEB_SIZE, n0 + n ≤ # buf, avol = abs(avols[v]), ebm-vol-inv(avol), v ∈ avols, v = default-volid, ebm-cons(avols) ⊦ ⟪ebm_vol_write#(m, m0, n0, n, buf, v; avols; err)⟫ ⟨ebm_avol_write#(m, m0, n0, n, buf; avol; err0)⟩ (avol = abs(avols[v]) ∧ err = err0)

System applied rule normalize

And obtained the following new goals

Proof step 2:
avol = abs(avols[v]), v = default-volid, avol[m].mapped?, m < # avol, ebm-cons(avols), ebm-vol-inv(avol), is-aligned(n, EB_PAGE_SIZE), is-aligned(m0, EB_PAGE_SIZE), v ∈ avols, n0 + n ≤ # buf, m0 + n ≤ LEB_SIZE, # avol[m].data ≤ m0 ⊦ ⟪ebm_vol_write#(m, m0, n0, n, buf, v; avols; err)⟫ ⟨ebm_avol_write#(m, m0, n0, n, buf; avol; err0)⟩ (avol = abs(avols[v]) ∧ err = err0)

Proof step 1 from proof refine-write (conclusion)

System applied rule normalize

And obtained the following new goals

Rule argument

Additional information