// ------------------------------------------------------------------
boolean UnifyBranchs(byte BranchDirection, Concept C1, Concept C2,
int nivG1, int nivG2) throws ExecException {
boolean bResult = true;
Relation rel1;
boolean bAlreadyUnified;
Vector<Relation> vRels1 = null;
if (BranchDirection == e_inComeBranch) {
vRels1 = C1.m_vctIncomingRelations;