| x = [], isempty(buf, 0, NODE_HEADER_SIZE) ⊦ abs-nodes(buf, m, x, lax, weak) ↔ (buf = mkbuf(0) ∨ abs-failed(buf) ∧ weak) ∧ x = [] ∧ lax = [] |
isempty(buf, 0, NODE_HEADER_SIZE) ⊦ abs-nodes(buf, m, [], lax, weak) ↔ (buf = mkbuf(0) ∨ abs-failed(buf) ∧ weak) ∧ lax = []