| ⊦ EB_PAGE_SIZE = n + m % EB_PAGE_SIZE ∧ is-aligned(m, 2 * NODE_HEADER_SIZE) ∧ ¬ is-aligned(m, EB_PAGE_SIZE) → (2 * NODE_HEADER_SIZE ≤ n ↔ n ≠ 0) |
EB_PAGE_SIZE = n + m % EB_PAGE_SIZE, is-aligned(m, 2 * NODE_HEADER_SIZE) ⊦ 2 * NODE_HEADER_SIZE ≤ n ↔ n ≠ 0, is-aligned(m, EB_PAGE_SIZE)