| lpf0 ≠ LP_GROUP_NODES, lpf1 ≠ LP_GROUP_NODES ⊦ lpt[n] = mklp(m0, m1, lpf0, m2) ∧ n < # lpt ∧ m ≤ # lpt → gc-heap(lpt[n, mklp(n0, n1, lpf1, n2)], nx, m) = gc-heap(lpt, nx, m) |
lpt[n] = mklp(m0, m1, lpf0, m2), n < # lpt, m ≤ # lpt ⊦ gc-heap(lpt[n, mklp(n0, n1, lpf1, n2)], nx, m) = gc-heap(lpt, nx, m), lpf0 = LP_GROUP_NODES, lpf1 = LP_GROUP_NODES