// ------------------------------------------------------------------
boolean UnifyTheBranch(byte BranchDirection, Relation rel1, Concept C2,
int nivG1, int nivG2) throws ExecException {
// Chercher une branche de G2 ayant meme ident de relation
boolean BRes = false;
Relation rel2 = null;
Vector<Relation> vRels;
if (BranchDirection == e_inComeBranch) {
vRels = C2.m_vctIncomingRelations;
} else {