harpsichord
发表于 2025-4-1 05:44:51
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tattle
发表于 2025-4-1 06:32:58
Das Verständnis von Philosophieproach to the further study of formal systems. This approach is algebraic in its nature and therefore we will use elementary notions and results of the theory of abstract algebra. Our discussion is based on the notion of the consequence operation generated by a given relational system. (Pre)ordered