| m < # avol, avol[m].mapped?, n + n0 ≤ # buf, m0 + n0 ≤ LEB_SIZE, ebm-vol-inv(avol), avol ⊆ avol0 ⊦ ⟨ebm_avol_read#(m, m0, n, n0, avol; buf; err)⟩ (avol ⊆ avol0) |
avol[m].mapped?, m < # avol, ebm-vol-inv(avol), m0 + n0 ≤ LEB_SIZE, n + n0 ≤ # buf, avol ⊆ avol0 ⊦ ⟨ebm_avol_read#(m, m0, n, n0, avol; buf; err)⟩ (avol ⊆ avol0)