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The variety of formal relations
P. 50-51.
In this paper I discuss a connection between model-theoretical, game-theoretical and ontological approaches to different types of formal relations. What is gained, then, is the correlation between the variety of formal relations and the variety of different approaches to the general idea of being formal expected to play a demarcating role for what is to count as logic.
In book
М. : Современные тетради, 2013