This article presents a formal description of the conceptual model of the 1st kind at the object and specific levels for the subject task, which represents documented technical knowledge, taking into account the varying degree of their formalization and stratification of the conceptual model into constant information.
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Nyi Nyi Htwe, G. D. Volkova, O. G.Grigoriev. Development of a formal apparatus for the description and processing of conceptual models // Proceedings of the Instittute for Systems Analysis Russian Academy of Sciences (ISA RAS). 2023. Vol. 73. №3. Pp. 40–51.