Described methods often rely on theories that circumvent or supersede relativity. This confirms the act does not supersede impliedly earlier protection of the law. Terms of collective agreements, to the advantage of individual employees, therefore supersede individual contracts. This allowed Christie to supersede the authority of elected school trustees. Neither consul, however, could supersede the other without a decree from the Senate. Atlantium said its citizenship does not supersede existing citizenships. It is not intended to supersede or instruct medical personnel or techniques. Survival concerns supersede all the laws of "kashrut", as they do for most halakhot. Others argue that the Oslo Accords supersede UNSC 242 rather than making it binding. Buchanan asserted that his particular psychism would supersede empiric science. It featured many performance enhancements and was intended to supersede the standard PC Engine. For others, the need for creative fulfillment may supersede even the most basic needs. Thus new Levels do not supersede previous ones. Perdiccas, however, had plans to supersede Archon and nominate Docimus as his successor. He also experimented with music machines, which he hoped would supersede human interpretation.