this tradition can be considered Monroe Beardsley's Practical Logic (1950) and Stephen Toulmin's The Uses of Argument (1958). The field perhaps became recognized under its current name with the First International Symposium on Informal Logic held in 1978. Although initially motivated by a new pedagogical approach to undergraduate logic textbooks, the scope of the field was basically defined by a list of 13 problems and issues which Blair and Johnson included as an appendix to their keynote address at this symposium: the theory of logical criticism the theory of argument the theory of fallacy the fallacy approach vs. the critical thinking approach the viability of the inductive/deductive dichotomy the ethics of argumentation and logical criticism the problem of assumptions and missing premises the problem of context methods of extracting arguments from context methods of displaying arguments the problem of pedagogy the nature, division and scope of informal logic the relationship of informal logic to other inquiries David Hitchcock argues that the naming of the field was unfortunate, and that philosophy of argument would have been more appropriate. He argues that more undergraduate students in North America study informal logic than any other branch of philosophy, but that as of 2003 informal logic (or philosophy of argument) was not recognized as separate sub-field by the World Congress of Philosophy.<ref name=h25>David Hitchcock, Informal logic 25 years later in Informal Logic at 25: Proceedings of the Windsor Conference (OSSA 2003)</ref> Frans H. van Eemeren wrote that "informal logic" is mainly an approach to argumentation advanced by a group of US and Canadian philosophers and largely based on the previous works of Stephen Toulmin and to a lesser extent those of Chaïm Perelman. Alongside the symposia, since 1983 the journal Informal Logic has been the publication of record of the field, with Blair and Johnson as initial editors, with the editorial board now including two other colleagues from the University of Windsor—Christopher Tindale and Hans V. Hansen. Other journals that regularly publish articles on informal logic include Argumentation (founded in 1986), Philosophy and Rhetoric, Argumentation and Advocacy (the journal of the American Forensic Association), and Inquiry: Critical Thinking Across the Disciplines (founded in 1988). Proposed definitions Johnson and Blair (2000) proposed the following definition: "Informal logic designates that branch of logic whose task is to develop non-formal2 standards, criteria, procedures for the analysis, interpretation, evaluation, critique and construction of argumentation in everyday discourse." Their