| ⊦ abs-padding(buf) ∧ is-encoded(nodeheader(m, true), subarray(buf, 0, NODE_HEADER_SIZE)) → align↑(m, 2 * NODE_HEADER_SIZE) = m |
abs-padding(buf), is-encoded(nodeheader(m, true), subarray(buf, 0, NODE_HEADER_SIZE)) ⊦ align↑(m, 2 * NODE_HEADER_SIZE) = m