The International Sociological Association (ISA) is a non-profit association for scientific purposes in the field of sociology and social sciences. The ISA was founded in 1949 under the auspices of UNESCO. The goal of the ISA is to represent sociologists everywhere, regardless of their school of thought, scientific approaches or ideological opinion, and to advance sociological knowledge throughout the world. Its members come from 109 countries.The on-going scientific activities of the ISA are decentralised in Research Committees, Working Groups and Thematic Groups, each dealing with a well-recognized speciality in sociology. These groups bring together scholars who wish to pursue comparative research on a transnational basis and they constitute basic networks of scientific research, intellectual debate and professional exchange. Currently, there are 57 research committees and RC33 Research Committee on Logic & Methodology is one of them.