Deducibility and Paradoxes

The article examines a number of contradictions that are considered the basis for obtaining a number of assumptions. This ambatory that turn out to be mandatory for the emergence of paradoxes. Paradoxes, in turn, depend on the possibility of their deduction from self-referential premises. This issue is being considered. Obtaining contradictions from self-referential premises based on deduction from explicit self-referential premises is as a main topic of this article.