Kambartel had close ties to the Erlangen School of constructivist philosophy of science.
[1] The first tenet shapes his contributions to the philosophies of science, mind, and action.
[2] The second tenet does not emerge clearly until his later work, and then it also marks a distance to the constructive attempts of the Erlangen School.
Reason was rather a culture you grow into, a social practice within which you cultivate your judgment.
Conceptual judgments like Kant’s formula of man as an end in itself served as comments to parts of the “grammar” of this culture.