Mossakowski, Till; Goguen, Joseph; Diaconescu, Răzvan; Tarlecki, Andrzej What is a logic? In memoriam Joseph Goguen. 2nd revised ed. (English) Zbl 1143.03356 Beziau, Jean-Yves (ed.), Logica universalis. Towards a general theory of logic. Basel: Birkhäuser (ISBN 978-3-7643-8353-4/pbk). 111-133 (2007). See the review of the original paper in Zbl 1080.03028.For the entire collection see [Zbl 1138.03002]. Cited in 5 Documents MSC: 03C95 Abstract model theory 18A15 Foundations, relations to logic and deductive systems 03G30 Categorical logic, topoi Keywords:universal logic; institution theory; category theory; abstract model theory; categorical logic Biographic References: Goguen, Joseph Citations:Zbl 1080.03028 PDFBibTeX XMLCite \textit{T. Mossakowski} et al., in: Logica universalis. Towards a general theory of logic. Basel: Birkhäuser. 111--133 (2007; Zbl 1143.03356)