1. The "dialectics of action," concerning mostly the implicit decisions of the subject for action and a system of elaboration of the decisions.
2. The "dialectics of formulation", concerning the explicit description or communication of the subject's conceptions and of the empirical results of one or another decision.
3. The "dialectics of validation", by which the subject is Ied to establish, to prove his(her)assertions before another subject, who tends to accept or refuse these assertions.