Join the Logica Universalis Webinar! The Logica Universalis Webinar is a World Seminar Series connected to the journal Logica Universalis<https://www.springer.com/journal/11787/>, the book series Studies in Universal Logic<https://www.springer.com/series/7391> and the Universal Logic Project<https://logica-universalis.org/>. It is an open platform for all scholars interested in the many aspects of logic. (See the full program here<https://www.springer.com/journal/11787/updates/18988758>.) The sessions take place on Wednesdays at 4pm CEST (click here<https://www.timeanddate.com/worldclock/fixedtime.html?msg=Logica+Universalis+Webinar&iso=20210512T16&p1=37&ah=1> to convert to your timezone). They are held via Zoom and are free to attend. Please register in advance. Registration is now open!<https://springer.zoom.us/meeting/register/tJMvdu6vrzMiHda_iDhjxw9vA9d7we9gTR_N> Each session of the webinar is chaired by a member of the editorial board of the journal Logica Universalis (LU), the book series Studies in Universal Logic (SUL) or an organizer of an event of the Universal Logic Project (ULP). Sessions will start with a short presentation of a logical organization related to the region of the speaker or the topic of the talk. The talk (30 min) will focus on a recently published paper in LU, on a book in SUL, on an event or on the ULP. Talks are followed by a discussion (15 min). The next session will be held on Wednesday, May 12 at 4pm CEST with the talk Graded Structures of Opposition in Fuzzy Natural Logic<https://link.springer.com/article/10.1007/s11787-020-00265-y> by Petra Murinová<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.osu.eu_petra-2Dmurinova_122_&d=DwMG-g&c=vh6FgFnduejNhPPD0fl_yRaSfZy8CWbWnIf4XJhSqx8&r=4IEJyIXu9ufdERIT6v7tZS0cEkHEZlR1577gW0vNPMk&m=XNwZWgoezLT0snytJWVKSEuOVkiG9agSF-zNcnMSc2M&s=DwMNA8D9j2_fXHU1SXZryEgY-mbh8qlBd7KNv5MNyIM&e=>, University of Ostrava, Czech Republic Chair: Sergei Odintsov<http://math.nsc.ru/~spodintsov/> Member of the Editorial Board of LU Associate Organization: Working Group on Mathematical Fuzzy Logic<http://www.mathfuzzlog.org/> presented by its president, Tommaso Flaminio<https://tomflaminio.wordpress.com/> Video recordings of the seminars are uploaded on the YouTube channel Universal Logic Project<https://www.youtube.com/channel/UCPS1c5ApuwjuCV9UjXHUN4w>. -- Antje Herbst Associate Editor Mathematics Journals Springer Nature Tiergartenstraße 17, 69121 Heidelberg, Germany T +49 62214878984 antje.herbst@springernature.com<mailto:antje.herbst@springernature.com> www.springernature.com<http://www.springernature.com/> -- Springer Nature is a leading research, educational and professional publisher, providing quality content to our communities through a range of innovative platforms, products and services. Every day, around the globe, our imprints, books, journals and resources reach millions of people - helping researchers, students, teachers & professionals to discover, learn and achieve. -- Branch of Springer-Verlag GmbH, Heidelberger Platz 3, 14197 Berlin, Germany Registered Office: Berlin / Amtsgericht Berlin-Charlottenburg, HRB 91881 B Directors: Martin Mos, Dr. Ulrich Vest, Dr. Niels Peter Thomas