Corresponds to the anterior. (Costomediastinal) line of pleural reflection. 2. It is deeply notched in the left lung posterior. to 5th costal cartilage by the pericardium costal cartilage by the pericardium. and extends vertically downwards to form. Lingula.
Generally speaking, a principle is a rule, standard, or belief of one kind or another. As an adjective, principal means âmost importantâ, while a principal is â generally speaking â a person who is most important in a particular organization or group.
1 Law is the essence of consciousness expressing in the plane of Force. 2  Principle is the expression of that Law in one aspect of that plane. 3  Theory is a comprehensive description of Law, Principle and Rule.  Rule is the Law of the particular.