| # lpt = # avol ⊦ abs-istore(avol, lpt, istore) → ( abs-istore(avol[n, aleb], lpt[n, lp], istore[n, iblock]) ↔ n < # lpt ∧ ((lpt[n].flags = LP_INDEX_NODES → lpt[n].ref-size = istore[n].ref-size) → lp.ref-size = iblock.ref-size ∧ lp.flags = LP_INDEX_NODES) ∧ ((lpt[n].flags = LP_INDEX_NODES → abs-leb(avol[n], istore[n], lpt[n])) → abs-leb(aleb, iblock, lp))) |