public Norm containsNormBeliefDiferent(Belief blf, NormType nt)
	{
		for ( Norm norm: getAllRestrictNorms().values() )
		{
			Belief b = norm.getNormResource().getBelief();
			if ( b!=null && !b.getName().equalsIgnoreCase(blf.getName()) && norm.getNormType() == nt && norm.isActive() )
			{
				return norm;
			}
		}
		
		return null;
	}