import Base import ./LAWS.bend as Laws def Laws.empty_nodes(): {==} def Laws.empty_edge_count(): {==} def Laws.empty_neighbors(): {==} def Laws.empty_has_edge(): {==} def Laws.singleton_nodes(): {==} def Laws.singleton_edge_count(): {==} def Laws.singleton_neighbors(): {==} def Laws.singleton_has_edge(): {==} def Laws.edge_adds_nodes(): {==} def Laws.edge_adds_one_edge(): {==} def Laws.edge_is_present(): {==} def Laws.edge_neighbors(): {==} def Laws.reverse_edge_is_absent(): {==} def Laws.duplicate_edge_count(): {==} def Laws.self_loop_neighbors(): {==}