Premise: The European Democrat Union (EDU) is one of the three European wings of the International Democrat Union, along with the European People's Party (EPP) and the Alliance of European Conservatives and Reformists (AECR). Its members include Christian democratic, liberal conservative, and conservative political parties. It is only a nominal sub-entity of the IDU, since it ceased its activities in 2002.
Hypothesis: The European Democrat Union is the oldest wing of the IDU.