graph agentrationnel {
  a [label="Agent Rationnel"];
  c1 [label="Perception"];
  c11 [label="Historique"];
  c2 [label="Action"];
  c3 [label="But"];
  c4 [label="Capacités"];
  c41 [label="Croyances"];
  c42 [label="Connaissances"];
  a -- c1;
  c1 -- c11;
  a -- c2;
  a -- c3;
  a -- c4;
  c4 -- c41;
  c4 -- c42;
}