CentralNotice From Wikipedia, the free encyclopedia Jump to: navigation , search This is a list of paradoxes , grouped thematically. The grouping is approximate, as paradoxes may fit into more than one category. Because of varying definitions of the term paradox , some of the following are not considered to be paradoxes by everyone. This list collects only scenarios that have been called a paradox by at least one source and have their own article. Although considered paradoxes, some of these are based on fallacious reasoning, or incomplete/faulty analysis. Informally, the term is often used to describe a counter-intuitive result. 1 Logic 1.1 Self-reference 1.2 Vagueness 2 Mathematics 2.1 Statistics 2.2 Probability 2.3 Infinity and infinitesimals 2.4 Geometry and topology 3 Decision theory 4 Physics 4.1 Astrophysics 4.2 Classical mechanics 4.3 Cos...