The implications of these considerations justify the statement that all empirically verifiable knowledge even the commonsense knowledge of everyday life involves implicitly, if not explicitly, systematic theory in this sense.Quote by Talcott Parsons about knowledge, common sense, sense, life
The system becomes logically closed when each of the logical implications which can be derived from any one proposition within the system finds its statement in another proposition in the same system.Quote by Talcott Parsons