| # ndx = # gndx, gndx + mkgnode(nd, n, ndx = [], true) ' = mkgnode(nd0, m, boolvar, boolvar0) ' + gndx0, gndx.head = mkgnode(nd2, m1, true, boolvar4), gndx0[m5] = mkgnode(nd1, m0, boolvar1, boolvar2), (mkgnode(nd0, m, true, boolvar0) ' + gndx0)[n0] = mkgnode(nd3, m2, boolvar5, boolvar6), gndx[m5 + 1] = mkgnode(nd5, m4, boolvar9, boolvar10), gndx[n0] = mkgnode(nd4, m3, boolvar7, boolvar8), m5 < # gndx, mkgnode(nd, n, ndx = [], true) ∈ gndx0, mkgnode(nd0, m, boolvar, boolvar0) ∈ gndx, m5 + 1 < # gndx → nd5 = (ndx + nd ')[m5 + 1], ∀ n0. (n0 ≠ 0 ∧ n0 < # gndx → ¬ gndx[n0].start) ∧ (n0 < # gndx → ¬ gndx[n0].end) ⊦ gndx = [], nd1 = (ndx + nd ')[m5 + 1] |
# ndx = # gndx, gndx + mkgnode(nd, n, ndx = [], true) ' = mkgnode(nd0, m, boolvar, boolvar0) ' + gndx0, gndx[n0] = mkgnode(nd4, m3, boolvar7, boolvar8), gndx[m5 + 1] = mkgnode(nd5, m4, boolvar9, boolvar10), (mkgnode(nd0, m, true, boolvar0) ' + gndx0)[n0] = mkgnode(nd3, m2, boolvar5, boolvar6), gndx0[m5] = mkgnode(nd1, m0, boolvar1, boolvar2), gnd = mkgnode(nd2, m1, true, boolvar4), gndx = gnd + gndx1, m5 < # gndx, mkgnode(nd0, m, boolvar, boolvar0) ∈ gndx, mkgnode(nd, n, ndx = [], true) ∈ gndx0, m5 + 1 < # gndx → nd5 = (ndx + nd ')[m5 + 1], ∀ n0. (n0 ≠ 0 ∧ n0 < # gndx → ¬ gndx[n0].start) ∧ (n0 < # gndx → ¬ gndx[n0].end) ⊦ gndx = [], nd1 = (ndx + nd ')[m5 + 1]
Used simplifier rules: gndx ≠ [] ⊦ gnd = gndx.head ∧ gndx0 = gndx.tail ↔ gndx = gnd + gndx0; (elim) Used terms: gndx, gnd, gndx1