| ⊦ lpt0[n] = mklp(n0, n1, lpf0, n2) ∧ lpt1[n] = mklp(m0, m1, lpf1, m2) ∧ n < # lpt1 ∧ id-idx(lpt0, lpt1) → n0 = m0 ∧ n1 = m1 ∧ lpf0 = lpf1 |
lpt0[n] = mklp(n0, n1, lpf0, n2), lpt1[n] = mklp(m0, m1, lpf1, m2), n < # lpt1, id-idx(lpt0, lpt1) ⊦ n0 = m0 ∧ n1 = m1 ∧ lpf0 = lpf1