| # lpt1 = # lpt0, ∀ n. n < # lpt1 → lpt0[n].ref-size = lpt1[n].ref-size ∧ lpt0[n].size = lpt1[n].size ∧ lpt0[n].flags = lpt1[n].flags ⊦ # lpt = # lpt1 ∧ (∀ n. n < # lpt1 ∧ lpt[n].flags = LP_GROUP_NODES ∧ lpt1[n].flags = LP_GROUP_NODES ∧ ¬ n ∈ nx → lpt1[n].size = lpt[n].size) ↔ # lpt = # lpt0 ∧ (∀ n. n < # lpt0 ∧ lpt[n].flags = LP_GROUP_NODES ∧ lpt0[n].flags = LP_GROUP_NODES ∧ ¬ n ∈ nx → lpt0[n].size = lpt[n].size) |
# lpt1 = # lpt0, # lpt = # lpt0, ∀ n. n < # lpt0 → lpt0[n].ref-size = lpt1[n].ref-size ∧ lpt0[n].size = lpt1[n].size ∧ lpt0[n].flags = lpt1[n].flags ⊦ (∀ n. n < # lpt0 ∧ lpt[n].flags = LP_GROUP_NODES ∧ lpt1[n].flags = LP_GROUP_NODES ∧ ¬ n ∈ nx → lpt1[n].size = lpt[n].size) ↔ (∀ n. n < # lpt0 ∧ lpt[n].flags = LP_GROUP_NODES ∧ lpt0[n].flags = LP_GROUP_NODES ∧ ¬ n ∈ nx → lpt0[n].size = lpt[n].size)