| ⊦ r ∈ zh ∧ zh[r] = mkznode(rp0, zbrar, boolvar, true, height0) ∧ ((btree(rp, r, adr, height, dirty, ri, iast, as, alladrs, nstat) * P))(zh) → ¬ adr ∈ as ∧ (height = 0 → as = ∅) |
zh[r] = mkznode(rp0, zbrar, boolvar, true, height0), ((btree(rp, r, adr, height, dirty, ri, iast, as, alladrs, nstat) * P))(zh), r ∈ zh ⊦ ¬ adr ∈ as ∧ (height = 0 → as = ∅)