Study of the problems and methods of Logical semantics and knowledge representation. A fine-grained analysis of the meaning of natural language expressions consists in discovering algorithmically structured procedure known as TIL construction encoded by the expression. The analysis must fine-grained in order to make it possible to infer relevant consequences. At the same time it is necessary to formalize the results of an analysis so that they are computationally tractable. The students will learn to solve these problems in such a way that undesirable paradoxes and inconsistencies are avoided. An adequate logical construction is a necessary condition of a valid inference. Thus the formalized analysis can be used in knowledge-base systems of artifical intelligence, it makes it possible to automatically translate texts, to make use of it in multi-agent systems, etc.