| lpt[n, mklp(m, m0, lpf0, m1)][n] = mklp(m6, m7, lpf2, m8), lpt[n] = mklp(n0, n1, lpf, n2), gstore[n] = groupblock(gndx, lax, m2), n ∈ gstore, ∀ n. (n < # lpt ∧ lpt[n].flags = LP_GROUP_NODES ↔ n ∈ gstore) ∧ (n ∈ gstore ∧ ¬ n ∈ ginval → abs-leb(avol[n], gstore[n], lpt[n])) ∧ (n ∈ gstore → lpt[n].ref-size = gstore[n].ref-size) ⊦ lpf = LP_GROUP_NODES, lpf0 = LP_GROUP_NODES, (n < # lpt ∧ lpf2 = LP_GROUP_NODES ↔ n ∈ gstore) ∧ (n ∈ gstore ∧ ¬ n ∈ ginval → abs-leb(avol[n], groupblock(gndx, lax, m2), mklp(n0, n1, lpf, n2))) ∧ (n ∈ gstore → n0 = m2) |
gstore[n] = groupblock(gndx, lax, m2), lpt[n] = mklp(n0, n1, lpf, n2), lpt[n, mklp(m, m0, lpf0, m1)][n] = mklp(m6, m7, lpf2, m8), n ∈ gstore, ∀ n. (n < # lpt ∧ lpt[n].flags = LP_GROUP_NODES ↔ n ∈ gstore) ∧ (n ∈ gstore ∧ ¬ n ∈ ginval → abs-leb(avol[n], gstore[n], lpt[n])) ∧ (n ∈ gstore → lpt[n].ref-size = gstore[n].ref-size) ⊦ lpf = LP_GROUP_NODES, lpf0 = LP_GROUP_NODES, n < # lpt ∧ lpf2 = LP_GROUP_NODES ∧ (¬ n ∈ ginval → abs-leb(avol[n], groupblock(gndx, lax, m2), mklp(m2, n1, lpf, n2))) ∧ n0 = m2