Перспективни проблеми пред логиката на ХХI в.
Perspective Problems in front of Logic of the 21st Century

Summary/Abstract: The PROBLEMS to the logic can be divided into theoretical and practical. I divide the theoretical ones into 1. Questions set to the philosophy by the development of modern logic, concerning the limits of the logical, the unity and the universality of logic, about the demarcation, etc. 2.Questions, which philosophy sets to or should set to logic – 2.1. Finding of tangent points and common studies with established philosophical approaches, in which the word “logic” is used 2.2. Logic of the Non-classical science - Classical logic is related to statements of classical science and it is not a priori evident that it can be extrapolated to the contemporary non-classical and post-non-classical science. Practical are : 1. Finding an adequate logical apparatus for the social sciences and the humanities; 2. Logical investigations engendered by the needs of informatics – “an expert system is “data basis + logic””. The necessity of new ideas and a new language of programming is clearly understood. This is a task for a team in which there must take part logicians - the problem is basically logical. I predict that in new century logic will emphasis not at the inference but on the investigating logical terms. 20th century, especially its second half could be defined as a century of the “classical non classical logic”!!! The first non classical logic’s are too much influenced by classical logic!!! Most modal logic’s are an explication of classical modality! 21st century will be a century of “nonclassical nonclassical logic”!!!

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