Three Cs / Three Ms

The Three Cs are three properties that a theory of reality must inevitably possess, and the Three Ms are three principles respectively associated with those properties. The Three Cs and Three Ms are:

• closure — Metaphysical Autology Principle (MAP)
• comprehensiveness — Mind Equals Reality Principle (M=R)
• consistency — Multiplex Unity Principle (MU)

These properties and principles are intended to relate logic to reality. When adjoined to logic, they form a theory which has the truth property in the same sense as does logic, but permits the evaluation of statements about reality. Langan calls such a theory a supertautology.

The Three Cs and Three Ms can be viewed as "axioms" of the CTMU, with the caveat that they are not meant to be independent assumptions, but rather to be true a priori and analytically implied by each other.