| ce.nxt = H[H[r0].nxt].nxt, H[r0, ce][H[r0].nxt].nxt = H[r0].nxt, path(r ' + x2 + r0 ', H[r0, ce]), path(r ' + x2 + r0 ', H), H[r0].nxt ∈ H, r0 ∈ H, H[r0].nxt ∈ H[r0, ce] ⊦ H[r0].nxt = ce.nxt, H[r0].nxt = null, r = r0, dups(x2), path(r ' + x2 + r0 ' + H[r0].nxt ', H[r0, ce]), r0 ∈ x2, r ∈ x2 |
⊦ r ≠ r0 → H[r0, ce][r] = H[r]
Used simplifier rules: ⊦ r ≠ r0 → (r ∈ H[r0, ce] ↔ r ∈ H); (s)% ⊦ r = r0 → H[r0, ce][r] = ce; (s) Used terms: H[r0].nxt, ce, r0, H