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Theorem prepost-write-lebs

ebm-vol-inv(avol), n + m ≤ # avol, # buf = m * LEB_SIZE, avol0 = avol ⊦ ⟪persistence_io_write_lebs#(n, m, buf, LEB_SIZE; avol; err)⟫ ( (err = ESUCCESS ∨ ⌊err⌋ ) ∧ # avol = # avol0 ∧ ebm-vol-inv(avol) ∧ range=(avol, 0, avol0, 0, n) ∧ range=(avol, n + m, avol0, n + m, # avol - n + m) ∧ (err = ESUCCESS → lebs(avol, n, m) = buf ∧ mapped-full?(avol, n, m)))

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