Models and Modeling in the Sciences: preface to the Special Issue of the 12th Principia International Symposium
This Special Issue brings a selection of peer-reviewed papers that were presented at the 12th Principia International Symposium: Models and Modeling in the Sciences, Florianópolis, Brazil, online, August 2021. In this preface, the chair and the secretary of the organizing committee comment the symposium's context and briefly present the issue.