Returns whether this relationship is a 'pure' many to many. A pure many to many relationship means the intermediate entity is an entity with solely a primary key and all fields in the primary key are fk fields in the two participating m:1 relationships.

[AllowInFilterAttribute(3)]
public bool IsPureManyToMany { get; }

<AllowInFilterAttribute(3)>
Public ReadOnly Property IsPureManyToMany As Boolean
	Get