GG:
Wow, now I am at a loss...
Zero article:
«Death is lack of life, illness lack of health, poverty lack of wealth, and ignorance lack of knowledge.» — Sanderson Beck, Middle East and Africa, 1875.
With "a":
«Death is a lack of life.» — See Carl Schmitt, “The Visibility of the Church: A Scholastic Consideration,”
Appendix to Carl Schmitt, Roman Catholicism and Political Form, tr. and
annotated by G. L. Ulmen (Westport, Conn. and London: Greenwood Press, 1996), p. 56.
How do authors decide? How do you decide?