Positivism is a theory of knowledge which only allows statements that are based on empirical data, collected through experience. Logical positivism is an extension of this concept and as is logical analysis and mathematical techniques. Logical positivism is a form of reasoning based on two key concepts, the collection of experiences yielding empirical data and the logical analysis of this data. Therefore, it imposes on its practitioners a structure of thinking and leads to a particular form of theory because only certain types of knowledge are allowed.