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But this means that "theory" and "praxis" can both be understood in different senses and are therefore alike "systematically ambiguous." In fact, "theory" has at least three senses that can be clarified by making use of the concept/term "belief," understood as anything held to be true by one who lives understandingly and therefore leads her or his own life. So "theory" can be understood:

(1) in the proper sense as comprising all beliefs formed on only one of the two levels of living understandingly, i.e., the secondary level of critical reflection and (yes!) proper theory;

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