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The textbook is based on the course «Traditional Logic», which was taught at the National University of Kyiv-Mohyla Academy. The textbook attempts to combine, where appropriate, the material of traditional logic with the achievements of modern logic.

This means coverage: in the topic «Concept as a form of thinking» the logical structure of the concept, logical relations between concepts by means of the logic of predicates; in the topic «Judgement as a form of thinking» simple judgements, in the language of predicate logic, complex judgements in the language of statement logic; in the topic «Inference as a form of thinking inferences of the logic of judgements by means of statement logic.

This approach allowed us to present a part of the material that was usually covered in traditional logic at the descriptive level in the form of a clear theoretical system.

The textbook is intended for students, postgraduates and anyone interested in the mysteries of logical science.