Alexandre Zinoviev (1922–2006) écrivain russe
c'est-à-dire, de groupes spéciaux de concepts et de rapports unis par des règles de la logique
New knowledge [of] the objects of investigation comes not through observation and experiment (as happens on the empirical level) but through logical judgments in the framework of a given or newly developed theory (i.e., special groups of concepts and statements united by rules of logic)
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Problems of the Logic of Scientific Knowledge, 1964