D.W. Langridge's four principles for mapping the universe of knowledge
1
Ideological principles, Principle of social purpose, Scientific order, Principle of arrangement by disciplines
2
Ideological principles, Management principles, Scientific order, Principle of Arrangement by Discipline
3
Principle of Thought, Ideological Principle, Principle of Social Purpose, Scientific Order
4
Principles of Development, Ideological Principles, Principle of Social Purpose, Scientific Order
5
Question Not Attempted